1 00:00:01,467 --> 00:00:04,967 [Kyle] Think of it as the Pearl Harbor of Japan. 2 00:00:04,967 --> 00:00:07,100 It is their most important base. 3 00:00:07,100 --> 00:00:08,467 [Josh] Take me back in time. 4 00:00:08,467 --> 00:00:10,266 What would've it been like if I was standing 5 00:00:10,266 --> 00:00:12,467 on this dock in February of 1944? 6 00:00:12,467 --> 00:00:13,567 You'd probably be running for cover. 7 00:00:13,567 --> 00:00:14,767 That's when the US launched 8 00:00:14,767 --> 00:00:15,767 Operation Hailstone. 9 00:00:18,767 --> 00:00:19,767 [man] Wow. 10 00:00:19,767 --> 00:00:20,900 [Josh] We obviously routed 11 00:00:20,900 --> 00:00:22,100 the Japanese forces here 12 00:00:22,100 --> 00:00:23,567 but not without a cost. 13 00:00:23,567 --> 00:00:24,834 [explosion] 14 00:00:26,400 --> 00:00:29,667 [Kyle] We're talking about 200 who were killed and missing. 15 00:00:29,667 --> 00:00:32,000 Nobody has found any of the US planes. 16 00:00:32,000 --> 00:00:33,000 None of them? 17 00:00:33,000 --> 00:00:36,133 [dramatic music playing] 18 00:00:37,567 --> 00:00:39,600 [Josh] We document the site so that their human remains 19 00:00:39,600 --> 00:00:41,100 can ultimately be recovered. 20 00:00:41,100 --> 00:00:44,233 [Josh speaking] 21 00:00:47,367 --> 00:00:48,567 -You have an eyewitness? -Yes. 22 00:00:48,567 --> 00:00:50,367 -[Josh] A living eyewitness? -[Mason] Yes. 23 00:00:50,367 --> 00:00:52,667 [Colin] They died here in service to our country 24 00:00:52,667 --> 00:00:54,000 and we have to keep looking for them. 25 00:00:54,000 --> 00:00:55,367 [Josh] There could be bones, 26 00:00:55,367 --> 00:00:56,500 dog tags, anything. 27 00:00:56,500 --> 00:00:57,867 [metal detector beeping] 28 00:00:57,867 --> 00:00:59,467 [Josh] Hey, guys, come here! 29 00:00:59,467 --> 00:01:01,266 Dive, dive, dive. 30 00:01:01,266 --> 00:01:02,600 Okay, she's down. 31 00:01:02,600 --> 00:01:03,800 Oh, wow. 32 00:01:03,800 --> 00:01:06,934 [Josh speaking] 33 00:01:17,166 --> 00:01:20,233 [dramatic music playing] 34 00:01:25,000 --> 00:01:27,567 December 7th, 1941, 35 00:01:27,567 --> 00:01:29,767 a day that still lives in infamy, 36 00:01:29,767 --> 00:01:32,000 the US Naval Base at Pearl Harbor 37 00:01:32,000 --> 00:01:34,400 was blindsided by Japanese forces. 38 00:01:34,400 --> 00:01:36,567 In only 90 tragic minutes, 39 00:01:36,567 --> 00:01:39,100 the course of history was forever altered. 40 00:01:39,100 --> 00:01:41,300 [explosion] 41 00:01:41,300 --> 00:01:44,400 [Josh] The attack killed over 2,400 American 42 00:01:44,400 --> 00:01:46,600 service members, crippled our Navy 43 00:01:46,600 --> 00:01:49,266 and pulled the country into World War II. 44 00:01:50,200 --> 00:01:51,367 Few, however, 45 00:01:51,367 --> 00:01:54,066 know of America's ferocious counterattack. 46 00:01:55,000 --> 00:01:57,200 In February 1944, 47 00:01:57,200 --> 00:02:01,266 a fleet of aircraft carriers launched Operation Hailstone, 48 00:02:01,266 --> 00:02:03,266 a daring offensive targeting 49 00:02:03,266 --> 00:02:05,367 a crucial Japanese base 50 00:02:05,367 --> 00:02:07,567 on a remote collection of Pacific Islands 51 00:02:07,567 --> 00:02:09,367 called Truk Lagoon 52 00:02:09,367 --> 00:02:13,166 where US forces decimated Imperial Japan's fleet. 53 00:02:15,767 --> 00:02:19,367 It was a critical victory but it came at a cost. 54 00:02:19,367 --> 00:02:22,900 More than 40 American planes were lost in the assault, 55 00:02:22,900 --> 00:02:24,767 as well as 200 servicemen 56 00:02:24,767 --> 00:02:27,867 who went and remained missing in action. 57 00:02:30,600 --> 00:02:33,100 Not a single lost US plane 58 00:02:33,100 --> 00:02:34,800 from Hailstone has been located. 59 00:02:34,800 --> 00:02:36,800 But now, a group of scientists 60 00:02:36,800 --> 00:02:39,367 and historians called Project Recover 61 00:02:39,367 --> 00:02:42,000 is determined to find our lost heroes 62 00:02:42,000 --> 00:02:43,800 and help bring them home. 63 00:02:43,800 --> 00:02:46,700 Using cutting edge sonar technology 64 00:02:46,700 --> 00:02:49,066 and groundbreaking artificial intelligence, 65 00:02:49,066 --> 00:02:51,467 they're scanning the vast ocean floor 66 00:02:51,467 --> 00:02:52,867 for undiscovered wrecks. 67 00:02:52,867 --> 00:02:54,667 And on land, they're making 68 00:02:54,667 --> 00:02:56,000 major breakthroughs, 69 00:02:56,000 --> 00:02:58,200 locating actual eyewitnesses 70 00:02:58,200 --> 00:03:00,266 who could lead them to the remains 71 00:03:00,266 --> 00:03:01,967 of American POWs. 72 00:03:01,967 --> 00:03:04,867 So all hands man your battle stations 73 00:03:04,867 --> 00:03:07,567 and join me on a historic expedition 74 00:03:07,567 --> 00:03:09,967 into World War II's Pacific theater, 75 00:03:09,967 --> 00:03:12,467 seeking warriors who may be gone 76 00:03:12,467 --> 00:03:14,734 but must never be forgotten. 77 00:03:17,467 --> 00:03:19,300 [dramatic music playing] 78 00:03:19,300 --> 00:03:21,100 My name is Josh Gates. 79 00:03:21,100 --> 00:03:21,967 Hello. 80 00:03:21,967 --> 00:03:23,000 Explorer... 81 00:03:23,000 --> 00:03:23,767 Here goes nothing. 82 00:03:23,767 --> 00:03:25,066 Adventurer... 83 00:03:25,066 --> 00:03:26,266 Woo-hoo-hoo! 84 00:03:26,266 --> 00:03:27,300 Oh, it's a long way down. 85 00:03:27,300 --> 00:03:28,467 And a guy who ends up 86 00:03:28,467 --> 00:03:30,467 in some very strange situations. 87 00:03:31,100 --> 00:03:32,767 I'm alive, for now. 88 00:03:32,767 --> 00:03:34,467 With a degree in archeology 89 00:03:34,467 --> 00:03:36,200 and a passion for the unexplained, 90 00:03:36,200 --> 00:03:38,767 I travel to the ends of the Earth 91 00:03:38,767 --> 00:03:41,567 investigating the greatest legends in history. 92 00:03:41,567 --> 00:03:43,166 Ready to rock and roll. 93 00:03:43,166 --> 00:03:45,533 This is Expedition Unknown. 94 00:03:47,367 --> 00:03:50,533 [country music playing] 95 00:03:53,900 --> 00:03:55,266 [Josh] I begin my mission 96 00:03:55,266 --> 00:03:57,367 to find lost World War II heroes 97 00:03:57,367 --> 00:03:59,000 in an unlikely place, 98 00:03:59,000 --> 00:04:01,066 a genteel Southern charmer, 99 00:04:01,066 --> 00:04:02,934 Charleston, South Carolina. 100 00:04:04,500 --> 00:04:06,867 Well, we are obviously a long way from the Pacific 101 00:04:06,867 --> 00:04:09,500 theater and the waters of Operations Hailstone, 102 00:04:09,500 --> 00:04:11,000 but there's a reason for that. 103 00:04:11,000 --> 00:04:12,467 I'm here in Charleston to visit 104 00:04:12,467 --> 00:04:14,567 with one of the great heroes of that battle 105 00:04:14,567 --> 00:04:16,467 who retired here after completing 106 00:04:16,467 --> 00:04:18,467 active service in 1970. 107 00:04:18,467 --> 00:04:21,266 She is one America's most decorated veterans, 108 00:04:21,266 --> 00:04:23,900 her name, the USS Yorktown. 109 00:04:23,900 --> 00:04:27,066 [dramatic music playing] 110 00:04:29,600 --> 00:04:31,967 [Josh] 872 feet long 111 00:04:31,967 --> 00:04:35,100 and weighing in at 27,000 tons, 112 00:04:35,100 --> 00:04:37,667 even in retirement, this aircraft carrier 113 00:04:37,667 --> 00:04:39,233 is an imposing sight. 114 00:04:40,467 --> 00:04:42,166 On the flight deck, I meet professor 115 00:04:42,166 --> 00:04:44,500 of military history, Kyle Sinisi. 116 00:04:44,500 --> 00:04:46,567 [Josh] Dr. Sinisi, how are you doing? 117 00:04:46,567 --> 00:04:48,700 -[Kyle] I'm doing fine. -I'm Josh, nice to meet you. 118 00:04:48,700 --> 00:04:50,467 -Pleasure. -I gotta say, 119 00:04:50,467 --> 00:04:52,467 this is an incredible ship. 120 00:04:52,467 --> 00:04:54,200 This is an airport on the water. 121 00:04:54,200 --> 00:04:56,567 [Josh] And this was purpose-built for World War II? 122 00:04:56,567 --> 00:04:58,100 They actually started construction 123 00:04:58,100 --> 00:05:01,200 on the Yorktown six days before Pearl Harbor itself. 124 00:05:01,200 --> 00:05:02,100 Wow. 125 00:05:02,100 --> 00:05:03,467 [explosion] 126 00:05:03,467 --> 00:05:06,066 [reporter] On December 7th, 1941, 127 00:05:06,066 --> 00:05:08,300 Japan, like its infamous Axis partners, 128 00:05:08,300 --> 00:05:11,066 struck first and declared war afterwards. 129 00:05:12,367 --> 00:05:13,900 [Josh] Everyone knows that Japan attacked us 130 00:05:13,900 --> 00:05:15,100 at Pearl Harbor. 131 00:05:15,100 --> 00:05:16,300 I don't think as many people know 132 00:05:16,300 --> 00:05:18,400 why Japan attacked us at Pearl Harbor. 133 00:05:18,400 --> 00:05:19,700 Well, Japan had a destiny, 134 00:05:19,700 --> 00:05:21,467 or at least they believe they had a destiny, 135 00:05:21,467 --> 00:05:24,266 and that was to rule East Asia and Southeast Asia. 136 00:05:24,266 --> 00:05:26,500 And what does taking us out at Pearl Harbor do? 137 00:05:26,500 --> 00:05:29,066 They saw us an obstacle to the conquest 138 00:05:29,066 --> 00:05:32,100 of all those islands between Japan and Australia. 139 00:05:32,100 --> 00:05:33,800 Right. 'Cause those are full of resources? 140 00:05:33,800 --> 00:05:34,934 Yes. 141 00:05:35,700 --> 00:05:37,567 [Josh] Six months after Pearl Harbor, 142 00:05:37,567 --> 00:05:40,567 Japan has control over almost six million 143 00:05:40,567 --> 00:05:42,300 square miles of territory, 144 00:05:42,300 --> 00:05:43,900 including The Philippines, 145 00:05:43,900 --> 00:05:46,000 Thailand and Korea. 146 00:05:46,000 --> 00:05:47,667 I think we have some understanding 147 00:05:47,667 --> 00:05:49,767 of what it takes to fight a land war, 148 00:05:49,767 --> 00:05:51,367 but an ocean war is entirely different. 149 00:05:51,367 --> 00:05:54,166 What do you need to be success in the Pacific theater? 150 00:05:54,166 --> 00:05:55,567 You need to be able to project power. 151 00:05:55,567 --> 00:05:57,100 -Okay. -You need a Navy, 152 00:05:57,100 --> 00:05:58,567 you need battleships, 153 00:05:58,567 --> 00:06:00,100 you need aircraft carriers, 154 00:06:00,100 --> 00:06:02,100 something like the USS Yorktown 155 00:06:02,100 --> 00:06:04,166 and the planes that she carried aboard. 156 00:06:04,166 --> 00:06:05,400 You wanna take go take a look at it? 157 00:06:05,400 --> 00:06:06,967 -Love to. Yeah, come on. -All right. 158 00:06:09,000 --> 00:06:10,600 [Josh] Kyle takes me below deck 159 00:06:10,600 --> 00:06:12,867 to see some of the legendary aircraft 160 00:06:12,867 --> 00:06:15,166 that carried out Operation Hailstone. 161 00:06:15,166 --> 00:06:17,200 Wow, this is extraordinary. Look at this. 162 00:06:17,200 --> 00:06:19,934 [dramatic music playing] 163 00:06:23,967 --> 00:06:26,000 [Josh] They were high tech for their day, 164 00:06:26,000 --> 00:06:29,000 at a time when using aircraft flown from carriers 165 00:06:29,000 --> 00:06:31,567 was a radical new approach to warfare. 166 00:06:31,567 --> 00:06:33,367 [Kyle] Josh, here, I think we got an airplane 167 00:06:33,367 --> 00:06:34,867 -you're quite familiar with. -[Josh] Yes, this is 168 00:06:34,867 --> 00:06:36,166 the Avenger, right? This... 169 00:06:36,166 --> 00:06:37,800 I actually had a chance a few years ago 170 00:06:37,800 --> 00:06:38,867 to take a ride in one of these, 171 00:06:38,867 --> 00:06:40,033 which was a huge thrill. 172 00:06:41,367 --> 00:06:42,667 Unbelievable. 173 00:06:42,667 --> 00:06:44,367 This is sick. 174 00:06:44,367 --> 00:06:45,433 Oh. 175 00:06:45,867 --> 00:06:47,066 This thing's a beast. 176 00:06:47,066 --> 00:06:49,000 It is a torpedo bomber 177 00:06:49,000 --> 00:06:51,166 and one of the things that really tips you off 178 00:06:51,166 --> 00:06:54,266 to how big this thing is are the folding wings. 179 00:06:54,266 --> 00:06:55,667 [Josh] Right. That's the only way this thing could fit 180 00:06:55,667 --> 00:06:56,867 on an aircraft carrier, right? 181 00:06:56,867 --> 00:06:57,767 -[Kyle] Pretty much. -[Josh] Incredible. 182 00:06:57,767 --> 00:06:59,200 [Josh] Along with the Avenger, 183 00:06:59,200 --> 00:07:01,100 Kyle shows me other planes 184 00:07:01,100 --> 00:07:03,266 that flew at Truk Lagoon, 185 00:07:03,266 --> 00:07:05,867 including the Hellcat, Corsair 186 00:07:05,867 --> 00:07:08,700 and the SBD Dauntless dive-bomber. 187 00:07:08,700 --> 00:07:10,767 [Kyle] It was one heck of a rugged 188 00:07:10,767 --> 00:07:13,166 and effective aircraft during the war. 189 00:07:13,166 --> 00:07:14,767 Although many of the air crew thought 190 00:07:14,767 --> 00:07:17,367 that SBD stood for Slow But Deadly. 191 00:07:17,367 --> 00:07:19,200 It would eventually wind up sinking 192 00:07:19,200 --> 00:07:21,400 more Japanese shipping than anything else 193 00:07:21,400 --> 00:07:22,600 that we had in our inventory. 194 00:07:22,600 --> 00:07:24,367 Wow. So a very successful plane? 195 00:07:24,367 --> 00:07:25,367 Absolutely. 196 00:07:26,266 --> 00:07:28,867 [Josh] From 1941 to 1943, 197 00:07:28,867 --> 00:07:31,266 American planes launching from carriers 198 00:07:31,266 --> 00:07:32,300 like the Yorktown 199 00:07:32,300 --> 00:07:33,667 were used to roll back 200 00:07:33,667 --> 00:07:35,567 Japan's advance across the Pacific 201 00:07:35,567 --> 00:07:38,467 in places like Midway and Guadalcanal. 202 00:07:39,066 --> 00:07:41,300 By February of 1944, 203 00:07:41,300 --> 00:07:43,400 we're closing in on Japan itself, 204 00:07:43,400 --> 00:07:45,166 but a major obstacle remains, 205 00:07:45,166 --> 00:07:48,634 the Japanese Naval Base at Truk Lagoon. 206 00:07:49,567 --> 00:07:52,200 And let's talk about how this and these other planes 207 00:07:52,200 --> 00:07:54,600 were used at this place, Truk, 208 00:07:54,600 --> 00:07:55,867 Operation Hailstone. 209 00:07:55,867 --> 00:07:59,200 Truk Lagoon, it's hard to find on a map. 210 00:07:59,200 --> 00:08:03,000 But think of it about 2,000 miles southeast of Japan. 211 00:08:03,000 --> 00:08:04,667 [Josh] How important was this base to the Japanese? 212 00:08:04,667 --> 00:08:07,367 Oh, it is their most important base. 213 00:08:07,367 --> 00:08:10,667 Think of it as the Pearl Harbor of Japan. 214 00:08:10,667 --> 00:08:14,767 You could find up to 60% of their combined fleet here. 215 00:08:14,767 --> 00:08:16,967 [Josh] So take me through it, what happens? 216 00:08:16,967 --> 00:08:19,166 [Kyle] We put together one of the largest 217 00:08:19,166 --> 00:08:21,467 naval forces ever assembled, 218 00:08:21,467 --> 00:08:23,100 nine aircraft carriers, 219 00:08:23,100 --> 00:08:26,100 seven battleships, dozens of auxiliary vessels 220 00:08:26,100 --> 00:08:29,166 and ultimately, 560 aircraft. 221 00:08:29,166 --> 00:08:33,166 We fly in and we will sink dozens of their ships. 222 00:08:33,166 --> 00:08:36,767 We will knock out 275 of their aircraft. 223 00:08:38,467 --> 00:08:43,000 And we will kill up to 4,600 of their soldiers, 224 00:08:43,000 --> 00:08:44,100 sailor and airmen. 225 00:08:44,100 --> 00:08:46,166 Wow. And US losses? 226 00:08:46,166 --> 00:08:47,500 They were fairly minimal, 227 00:08:47,500 --> 00:08:49,700 we're talking about 42 aircraft 228 00:08:49,700 --> 00:08:53,166 and about 200 who were killed or missing. 229 00:08:53,166 --> 00:08:54,400 We have a lot of these guys 230 00:08:54,400 --> 00:08:56,500 who are just simply MIA, missing in action? 231 00:08:56,500 --> 00:08:59,166 That is a characteristic of all of our causalities. 232 00:08:59,166 --> 00:09:02,567 And especially in the Pacific, because we're there in planes, 233 00:09:02,567 --> 00:09:03,934 and then we're gone. 234 00:09:04,967 --> 00:09:06,266 [Josh] Our nation made a promise 235 00:09:06,266 --> 00:09:07,367 to these missing servicemen, 236 00:09:07,367 --> 00:09:09,100 no man left behind. 237 00:09:09,100 --> 00:09:11,467 And now, a new effort is underway 238 00:09:11,467 --> 00:09:13,767 to make good on that promise. 239 00:09:13,767 --> 00:09:15,100 Well, I'm headed out to Truk 240 00:09:15,100 --> 00:09:16,400 to meet with the group that's trying 241 00:09:16,400 --> 00:09:18,200 to recover some of these lost planes 242 00:09:18,200 --> 00:09:20,300 and hopefully bring some closure to these MIA stories. 243 00:09:20,300 --> 00:09:23,300 Well, thank you and good luck. It's a long flight out there. 244 00:09:23,300 --> 00:09:26,200 [dramatic music playing] 245 00:09:26,200 --> 00:09:27,567 [Josh] This mission requires 246 00:09:27,567 --> 00:09:30,066 a journey of more than 8,000 miles 247 00:09:30,066 --> 00:09:33,500 from Charleston to the middle of the Pacific. 248 00:09:33,500 --> 00:09:36,400 It begins with a two-hour flight through Chicago, 249 00:09:36,400 --> 00:09:38,667 and then nine hours across the US, 250 00:09:38,667 --> 00:09:40,667 and thousands of miles of ocean 251 00:09:40,667 --> 00:09:42,000 to a critical layover 252 00:09:42,000 --> 00:09:44,533 on the island of O'ahu, Hawaii. 253 00:09:48,700 --> 00:09:51,000 It is a few minutes before 8:00 AM 254 00:09:51,000 --> 00:09:53,667 on December 7th, 1941, 255 00:09:53,667 --> 00:09:55,400 just another sunny day 256 00:09:55,400 --> 00:09:57,867 here at the US Naval Base in Pearl Harbor. 257 00:09:57,867 --> 00:10:00,967 And then, the distant sound of engines. 258 00:10:00,967 --> 00:10:04,567 -[dramatic music playing] -[airplane engine whirring] 259 00:10:04,567 --> 00:10:07,000 [Josh] Hundreds of Japanese planes 260 00:10:07,000 --> 00:10:09,166 launched from six aircraft carriers 261 00:10:09,166 --> 00:10:13,066 in one of the most audacious surprise attacks in history. 262 00:10:13,066 --> 00:10:14,333 [explosion] 263 00:10:18,367 --> 00:10:20,367 Almost our entire Pacific fleet 264 00:10:20,367 --> 00:10:22,567 is gathered here and caught unaware. 265 00:10:22,567 --> 00:10:24,300 Our aircraft on nearby runways 266 00:10:24,300 --> 00:10:27,300 are also sitting ducks and are quickly destroyed. 267 00:10:27,300 --> 00:10:29,767 In fact, only six US planes 268 00:10:29,767 --> 00:10:32,867 will make it the air to repel the first wave. 269 00:10:32,867 --> 00:10:35,400 Nineteen American vessels in the harbor 270 00:10:35,400 --> 00:10:37,000 are damaged or destroyed, 271 00:10:37,000 --> 00:10:39,266 including eight battleships. 272 00:10:39,266 --> 00:10:43,100 But the USS Arizona takes the most lethal blow. 273 00:10:43,100 --> 00:10:45,266 An armor piercing bomb penetrates 274 00:10:45,266 --> 00:10:46,767 the ship's ammunition stores, 275 00:10:46,767 --> 00:10:48,266 setting off an explosion 276 00:10:48,266 --> 00:10:52,066 that will kill 1,177 men. 277 00:10:52,400 --> 00:10:53,467 A day later, 278 00:10:53,467 --> 00:10:55,967 134,000 Americans 279 00:10:55,967 --> 00:10:57,934 would enlist in the military. 280 00:10:59,166 --> 00:11:02,467 [dramatic music playing] 281 00:11:06,000 --> 00:11:08,867 [Josh] In 1962, a memorial was built 282 00:11:08,867 --> 00:11:11,233 over the ghostly remains of the wreck. 283 00:11:15,166 --> 00:11:17,367 Today, it's a hollowed tomb. 284 00:11:18,567 --> 00:11:21,700 A lasting reminder of the greatest sacrifice 285 00:11:21,700 --> 00:11:24,934 our servicemen and women make for this country. 286 00:11:33,100 --> 00:11:36,867 The attack on Pearl Harbor decimated our Pacific fleet, 287 00:11:36,867 --> 00:11:38,667 and yet, within two years, 288 00:11:38,667 --> 00:11:41,600 the US roared back and turned the tables, 289 00:11:41,600 --> 00:11:44,700 striking Japan at their most critical base. 290 00:11:44,700 --> 00:11:47,000 [dramatic music playing] 291 00:11:47,000 --> 00:11:48,600 [Josh] There's only one way to get there, 292 00:11:48,600 --> 00:11:50,600 aboard a famous route that's considered 293 00:11:50,600 --> 00:11:53,600 the least direct flight on Earth. 294 00:11:53,600 --> 00:11:55,934 Welcome to the Island Hopper. Here we go. 295 00:11:57,166 --> 00:11:59,867 [Josh] This is United Flight 154, 296 00:11:59,867 --> 00:12:03,166 originated by Continental in 1968 297 00:12:03,166 --> 00:12:05,066 as a vital mail and supply run. 298 00:12:05,066 --> 00:12:07,100 It's a great way to earn those valuable 299 00:12:07,100 --> 00:12:08,867 frequent flyer miles. 300 00:12:08,867 --> 00:12:11,767 Coolest airplane route ever. 301 00:12:11,767 --> 00:12:14,700 [Josh] The 20-hour circuit departs from Honolulu 302 00:12:14,700 --> 00:12:17,400 and hops across the Marshall Islands, 303 00:12:17,400 --> 00:12:20,367 Micronesia, the Caroline Islands, 304 00:12:20,367 --> 00:12:23,467 and onto Guam before going back to Hawaii 305 00:12:23,467 --> 00:12:25,900 to start all over again. 306 00:12:25,900 --> 00:12:28,500 Four pilots are aboard this 737, 307 00:12:28,500 --> 00:12:30,300 as well as, and I'm not kidding, 308 00:12:30,300 --> 00:12:33,266 critical spare parts and a dedicated mechanic 309 00:12:33,266 --> 00:12:35,400 since the islands have neither. 310 00:12:35,400 --> 00:12:37,600 Oh, and there's even an additional navigation 311 00:12:37,600 --> 00:12:39,233 instrument in the cockpit. 312 00:12:39,800 --> 00:12:42,934 [tropical music playing] 313 00:12:43,900 --> 00:12:45,867 [Josh] The first leg is a jaunty little hop 314 00:12:45,867 --> 00:12:47,166 over a stretch of ocean 315 00:12:47,166 --> 00:12:49,000 nearly as wide as the United States, 316 00:12:49,000 --> 00:12:52,300 which requires a slight watch adjustment. 317 00:12:52,300 --> 00:12:54,767 All right. We are approaching the International Date Line. 318 00:12:54,767 --> 00:12:57,700 It is about 10:00 AM on Wednesday, 319 00:12:57,700 --> 00:12:59,100 wait for it. 320 00:12:59,100 --> 00:13:01,433 It is now 10:00 AM on Thursday, 321 00:13:01,800 --> 00:13:03,567 we just lost 24 hours. 322 00:13:03,567 --> 00:13:06,000 The worst part is, and this is true, 323 00:13:06,000 --> 00:13:08,800 it's one of my camera guy's birthdays on Wednesday. 324 00:13:08,800 --> 00:13:10,100 Oh. 325 00:13:10,100 --> 00:13:11,500 What a rip. 326 00:13:11,500 --> 00:13:13,500 [tropical music playing] 327 00:13:13,500 --> 00:13:15,367 [Josh] The first speck of land 328 00:13:15,367 --> 00:13:18,567 is the 3.7 square mile island of Majuro, 329 00:13:18,567 --> 00:13:20,367 capital of the Marshall Islands 330 00:13:20,367 --> 00:13:21,600 where we're on the ground 331 00:13:21,600 --> 00:13:23,500 just long enough to take in the sights. 332 00:13:23,500 --> 00:13:25,166 Welcome to Majuro! 333 00:13:26,667 --> 00:13:27,767 Beautiful here. 334 00:13:29,467 --> 00:13:30,634 Okay. Let's go. 335 00:13:31,400 --> 00:13:32,767 [Josh] The next destination 336 00:13:32,767 --> 00:13:34,100 is only an hour away, 337 00:13:34,100 --> 00:13:36,233 the island of Kwajalein. 338 00:13:37,200 --> 00:13:39,400 It was one of the first Japanese territories 339 00:13:39,400 --> 00:13:41,367 to fall to Allied Forces. 340 00:13:41,367 --> 00:13:43,800 Unfortunately, I don't get to disembark here 341 00:13:43,800 --> 00:13:46,233 because it's now a top secret missile test site. 342 00:13:50,100 --> 00:13:51,467 Okay. Moving on. 343 00:13:51,467 --> 00:13:54,567 [dramatic music playing] 344 00:13:56,967 --> 00:13:59,066 [Josh] Another hour to the volcanic island 345 00:13:59,066 --> 00:14:01,100 of Kosrae, where we touchdown 346 00:14:01,100 --> 00:14:02,967 just long enough to take off again 347 00:14:02,967 --> 00:14:04,467 for another hour in the air 348 00:14:04,467 --> 00:14:07,367 as we fly to the stunning capital of Micronesia. 349 00:14:11,300 --> 00:14:12,266 [Josh] All right. 350 00:14:12,266 --> 00:14:13,667 We've got about 10 minutes 351 00:14:13,667 --> 00:14:15,000 to take in the beautiful 352 00:14:15,000 --> 00:14:17,333 tropical island of Pohnpei. 353 00:14:18,400 --> 00:14:19,867 [Josh] Island hopper pro-trip, 354 00:14:19,867 --> 00:14:21,934 always keep an eye on your pilot. 355 00:14:22,500 --> 00:14:23,667 Come on. Let's go. 356 00:14:23,667 --> 00:14:25,166 Time to take off. 357 00:14:25,166 --> 00:14:26,266 Coming. 358 00:14:27,066 --> 00:14:27,967 Jeez. 359 00:14:27,967 --> 00:14:29,100 Short one. 360 00:14:29,100 --> 00:14:30,367 We're almost there. 361 00:14:30,367 --> 00:14:32,567 -Hey. -[Josh] Thank you. 362 00:14:32,567 --> 00:14:34,700 [Josh] Next stop is where I get off, 363 00:14:34,700 --> 00:14:36,467 the remote Truk Lagoon, 364 00:14:36,467 --> 00:14:39,266 though today, it's known as Chuuk. 365 00:14:39,266 --> 00:14:40,567 Turns out that in the '40s, 366 00:14:40,567 --> 00:14:42,867 we got the name wrong and it stuck. 367 00:14:42,867 --> 00:14:46,300 The Chuuk Atoll should be coming into view. 368 00:14:46,300 --> 00:14:49,367 [dramatic music playing] 369 00:14:51,967 --> 00:14:53,967 Wow. Look at that. 370 00:14:53,967 --> 00:14:55,367 [Josh] However, you pronounce it, 371 00:14:55,367 --> 00:14:57,066 Chuuk is a stunner, 372 00:14:57,066 --> 00:15:00,467 a 145-mile diameter atoll, 373 00:15:00,467 --> 00:15:02,266 a circular barrier reef 374 00:15:02,266 --> 00:15:05,100 protecting an 800-square mile lagoon 375 00:15:05,100 --> 00:15:07,333 with 16 tropical islands. 376 00:15:08,100 --> 00:15:09,667 We're landing on this one, 377 00:15:09,667 --> 00:15:10,634 Weno, 378 00:15:12,066 --> 00:15:14,400 on a runway built by Imperial Japan, 379 00:15:14,400 --> 00:15:16,467 and it's here that our tour of paradise 380 00:15:16,467 --> 00:15:17,834 gets a little bumpy. 381 00:15:19,000 --> 00:15:20,266 [pilot] Okay. Ladies and gentlemen, 382 00:15:20,266 --> 00:15:21,767 down straight ahead is the airport. 383 00:15:21,767 --> 00:15:23,367 We'll be landing shortly. 384 00:15:24,567 --> 00:15:26,467 [Josh] The airfield here is perfect 385 00:15:26,467 --> 00:15:28,367 for World War II fighter planes, 386 00:15:28,367 --> 00:15:30,767 commercial airliners, not so much. 387 00:15:30,767 --> 00:15:32,467 In fact, in 2018, 388 00:15:32,467 --> 00:15:34,467 an Air Niugini 737 389 00:15:34,467 --> 00:15:36,467 shorted the runway and ended up 390 00:15:36,467 --> 00:15:38,367 in almost a hundred feet of water. 391 00:15:40,800 --> 00:15:43,166 Now, it's my turn to roll the dice. 392 00:15:45,467 --> 00:15:47,200 Next stop is either Truk... 393 00:15:47,200 --> 00:15:48,166 [tires screeches] 394 00:15:48,767 --> 00:15:50,266 ...or Truk Lagoon. 395 00:15:50,266 --> 00:15:51,867 Brakes, brakes, brakes, brakes, brakes. 396 00:15:55,567 --> 00:15:58,333 [dramatic music playing] 397 00:15:59,600 --> 00:16:01,667 [Josh] I'm flying over the Pacific Islands 398 00:16:01,667 --> 00:16:03,066 of Micronesia, 399 00:16:03,066 --> 00:16:05,200 hunting for the remains of missing in action 400 00:16:05,200 --> 00:16:07,166 servicemen from World War II. 401 00:16:07,166 --> 00:16:09,600 We're coming in to land on a short air strip 402 00:16:09,600 --> 00:16:11,700 originally built by the Japanese 403 00:16:11,700 --> 00:16:13,767 before the age of jet airliners, 404 00:16:13,767 --> 00:16:16,333 which means we need to slow down fast. 405 00:16:18,400 --> 00:16:19,233 [tires screeches] 406 00:16:21,467 --> 00:16:23,567 Brakes, brakes, brakes, brakes, brakes. 407 00:16:30,667 --> 00:16:32,000 [exhales] 408 00:16:32,000 --> 00:16:33,467 [flight attendant] We hope you enjoy your time 409 00:16:33,467 --> 00:16:35,867 in Chuuk or wherever your travels take you. 410 00:16:35,867 --> 00:16:37,166 Well, we're here. 411 00:16:39,000 --> 00:16:41,166 [Josh] Happy to not be in the water just yet. 412 00:16:41,166 --> 00:16:42,900 I disembark from an awesome flight 413 00:16:42,900 --> 00:16:44,367 aboard the island hopper 414 00:16:44,367 --> 00:16:47,166 and am immediately transported into the past. 415 00:16:48,567 --> 00:16:51,967 [dramatic music playing] 416 00:16:51,967 --> 00:16:54,467 [Josh] World War II may have ended decades ago, 417 00:16:54,467 --> 00:16:57,300 but here, the wounds are still fresh. 418 00:16:57,300 --> 00:16:59,467 Ghostly shells of Japanese ships, 419 00:16:59,467 --> 00:17:01,166 derelict structures 420 00:17:01,166 --> 00:17:03,834 and rusted out artillery batteries dot the shores. 421 00:17:04,400 --> 00:17:05,700 Hidden in the depths 422 00:17:05,700 --> 00:17:07,900 lie the remains of American servicemen 423 00:17:07,900 --> 00:17:10,166 and their aircraft. 424 00:17:10,166 --> 00:17:13,266 I head down to a dock to meet the team from Project Recover 425 00:17:13,266 --> 00:17:15,266 that aims to find these heroes 426 00:17:15,266 --> 00:17:16,800 and help bring them home. 427 00:17:16,800 --> 00:17:18,767 -Hey, guys, how are you? -[men] Hey, Josh. 428 00:17:18,767 --> 00:17:20,166 -What's going on? -Good to see you again, man. 429 00:17:20,166 --> 00:17:21,600 Very good to see you again as well. 430 00:17:21,600 --> 00:17:23,166 Last time I saw you, we were on a different island, 431 00:17:23,166 --> 00:17:24,867 -off the coast California. -Anacapa Island, 432 00:17:24,867 --> 00:17:25,967 -you got it. -That's right. 433 00:17:25,967 --> 00:17:27,367 [Josh] I first worked with Colin 434 00:17:27,367 --> 00:17:29,900 on the hunt for a World War II torpedo bomber 435 00:17:29,900 --> 00:17:32,066 lost off the Coast of California, 436 00:17:32,066 --> 00:17:33,867 and now, half a world away, 437 00:17:33,867 --> 00:17:37,166 I'm meeting more members of this remarkable team. 438 00:17:37,166 --> 00:17:39,100 And Josh, I wanna introduce you to Mark Moline, 439 00:17:39,100 --> 00:17:40,400 the co-founder of Project Recover. 440 00:17:40,400 --> 00:17:41,667 -Nice to meet you, Josh. -Great to meet you, Mark. 441 00:17:41,667 --> 00:17:42,867 [Colin] And Dan Davis, 442 00:17:42,867 --> 00:17:44,800 the lead archeologist for this mission. 443 00:17:44,800 --> 00:17:46,066 -Nice to meet you, Josh. -[Josh] Awesome. 444 00:17:46,066 --> 00:17:47,467 [Josh] Project Recover's mission 445 00:17:47,467 --> 00:17:49,667 takes them all over the world. 446 00:17:49,667 --> 00:17:51,467 To date, they have helped repatriate 447 00:17:51,467 --> 00:17:53,166 more than 17 MIAs 448 00:17:53,166 --> 00:17:56,967 and located more than 65 World War II aircraft. 449 00:17:58,066 --> 00:18:00,967 And so, let's talk about your mission here in Chuuk. 450 00:18:00,967 --> 00:18:03,100 This was once known as Truk Lagoon 451 00:18:03,100 --> 00:18:04,767 and this island here 452 00:18:04,767 --> 00:18:06,367 and the other islands we see out here, 453 00:18:06,367 --> 00:18:08,100 these were all occupied by the Japanese. 454 00:18:08,100 --> 00:18:09,500 There would've been Japanese ships 455 00:18:09,500 --> 00:18:11,066 and planes all over the place here, right? 456 00:18:11,066 --> 00:18:13,667 Yeah, this was a major Japanese naval base 457 00:18:13,667 --> 00:18:16,266 that we actually didn't even know that much about. 458 00:18:16,266 --> 00:18:18,967 The guys who were flying in here on 17th February 459 00:18:18,967 --> 00:18:21,300 were really flying into a mystery. 460 00:18:21,300 --> 00:18:22,967 [Josh] That mystery turned out 461 00:18:22,967 --> 00:18:25,567 to be the most formidable Japanese naval base 462 00:18:25,567 --> 00:18:26,800 in the Pacific. 463 00:18:26,800 --> 00:18:29,100 Within the barrier reef of the atoll, 464 00:18:29,100 --> 00:18:32,800 the Japanese transformed the islands of Truk, 465 00:18:32,800 --> 00:18:35,166 along with dozens of military buildings. 466 00:18:35,800 --> 00:18:37,367 They built five airfields 467 00:18:37,367 --> 00:18:39,400 supporting hundreds of aircraft, 468 00:18:39,400 --> 00:18:43,000 including a vast fleet of deadly Japanese Zeros. 469 00:18:43,000 --> 00:18:44,667 There were also facilities 470 00:18:44,667 --> 00:18:46,667 for sea planes and submarines. 471 00:18:46,667 --> 00:18:48,867 And the lagoon itself often had 472 00:18:48,867 --> 00:18:50,800 as many as a thousand ships 473 00:18:50,800 --> 00:18:54,333 all defended by anti-aircraft guns on shore. 474 00:18:55,567 --> 00:18:56,767 [Josh] Take me back in time. 475 00:18:56,767 --> 00:18:57,867 What would it have been like 476 00:18:57,867 --> 00:18:58,967 if I was standing on the dock 477 00:18:58,967 --> 00:19:00,600 in February of 1944? 478 00:19:00,600 --> 00:19:03,266 Yeah. If you were here 17th February 1944, 479 00:19:03,266 --> 00:19:04,867 you'd probably be running for cover. 480 00:19:08,600 --> 00:19:10,767 That's when the US launched the Operation Hailstone, 481 00:19:10,767 --> 00:19:13,266 a major carrier-borne attack on Truk Lagoon. 482 00:19:13,266 --> 00:19:15,166 [Josh] In a reverse of Pearl Harbor, 483 00:19:15,166 --> 00:19:18,367 it was now the Japanese who never saw it coming. 484 00:19:18,367 --> 00:19:20,066 An armada of carriers, 485 00:19:20,066 --> 00:19:22,767 battleships, destroyers and subs 486 00:19:22,767 --> 00:19:25,867 descended on Truk in a series of attacks. 487 00:19:25,867 --> 00:19:28,867 And our flyboys got the drop on enemy forces, 488 00:19:28,867 --> 00:19:30,900 sinking more than 50 ships 489 00:19:30,900 --> 00:19:33,767 and destroying over 400 planes. 490 00:19:34,266 --> 00:19:35,867 And in terms of the numbers, 491 00:19:35,867 --> 00:19:38,600 we obviously routed the Japanese forces here, 492 00:19:38,600 --> 00:19:40,567 but not without a cost, right? 493 00:19:40,567 --> 00:19:43,367 So between Hailstone and the subsequent operations, 494 00:19:43,367 --> 00:19:46,066 how many US personnel went missing here? 495 00:19:46,066 --> 00:19:49,000 We lost 42 planes and around 200 people. 496 00:19:49,000 --> 00:19:51,266 [Josh] Two hundred people are missing here. 497 00:19:51,266 --> 00:19:53,166 And presumably, many of those remains 498 00:19:53,166 --> 00:19:55,367 are sunk out here in the atoll, yes? 499 00:19:55,367 --> 00:19:57,100 -[men] Yes. -Now, there are of course 500 00:19:57,100 --> 00:19:58,600 known wrecks out here. The Japanese lost 501 00:19:58,600 --> 00:20:00,266 a ton of ships in this attack, 502 00:20:00,266 --> 00:20:01,800 many of which are plotted out here. 503 00:20:01,800 --> 00:20:03,767 What about these American planes though? 504 00:20:03,767 --> 00:20:05,500 Up until now, nobody has found 505 00:20:05,500 --> 00:20:06,767 any of the US planes. 506 00:20:06,767 --> 00:20:07,967 -[Josh] None of them? -No. 507 00:20:07,967 --> 00:20:09,867 [Josh] Wow. That's incredible. 508 00:20:09,867 --> 00:20:11,600 That's remarkable. 509 00:20:11,600 --> 00:20:13,066 [Josh] Somewhere in these waters 510 00:20:13,066 --> 00:20:15,300 lie the lost heroes of Hailstone, 511 00:20:15,300 --> 00:20:17,100 their stories untold 512 00:20:17,100 --> 00:20:20,867 and remains unclaimed almost 80 years later. 513 00:20:22,166 --> 00:20:24,000 [Josh] It's a big mission. Where do we begin? 514 00:20:24,000 --> 00:20:27,000 We have over five years now 515 00:20:27,000 --> 00:20:29,900 conducting archival research of action reports, 516 00:20:29,900 --> 00:20:32,300 war diaries, you know, declassified documents 517 00:20:32,300 --> 00:20:33,700 from World War II. 518 00:20:33,700 --> 00:20:35,600 And in fact, we actually have some targets 519 00:20:35,600 --> 00:20:36,767 to get started with already. 520 00:20:36,767 --> 00:20:38,100 -We have targets? -[Mark] We do. 521 00:20:38,100 --> 00:20:39,767 And our mission today is to go figure out 522 00:20:39,767 --> 00:20:40,867 what those are. 523 00:20:40,867 --> 00:20:42,000 Okay. Should we get on the water? 524 00:20:42,000 --> 00:20:43,000 -Sounds like a plan. -Can't wait. 525 00:20:43,000 --> 00:20:44,000 Lead the way, please. 526 00:20:44,000 --> 00:20:47,166 [dramatic music playing] 527 00:20:48,567 --> 00:20:50,567 [Josh] While it may be called a lagoon, 528 00:20:50,567 --> 00:20:53,367 the waters here are about the size of Rhode Island. 529 00:20:53,367 --> 00:20:54,867 In 2019, 530 00:20:54,867 --> 00:20:57,066 the Project Recovery team deployed cutting edge 531 00:20:57,066 --> 00:20:59,300 autonomous underwater vehicles 532 00:20:59,300 --> 00:21:01,667 to sonar scan sections of the lagoon 533 00:21:01,667 --> 00:21:03,266 that had never been searched. 534 00:21:03,867 --> 00:21:05,667 They got back promising data. 535 00:21:05,667 --> 00:21:08,667 Unfortunately, COVID stopped their mission short. 536 00:21:08,667 --> 00:21:11,667 Now we have an incredible opportunity 537 00:21:11,667 --> 00:21:15,867 to interrogate these targets for the very first time. 538 00:21:15,867 --> 00:21:18,767 How many targets would you say there are that are promising? 539 00:21:18,767 --> 00:21:20,000 [Mark] Ten, ten or twelve. 540 00:21:20,000 --> 00:21:21,266 Can we take a look at the data? 541 00:21:21,266 --> 00:21:22,500 -[Mark] Sure. -[Josh] Yeah. Here? 542 00:21:22,500 --> 00:21:23,567 [Mark] Right here. Yup. 543 00:21:23,567 --> 00:21:24,867 This is the first one 544 00:21:24,867 --> 00:21:26,467 that we're thinking about diving on today. 545 00:21:26,467 --> 00:21:27,900 [Josh] So something there for sure, 546 00:21:27,900 --> 00:21:29,266 -very distinct shape. -[Mark] Yeah. 547 00:21:29,266 --> 00:21:31,266 So, we call this rabbit ears 548 00:21:31,266 --> 00:21:33,000 based on previous experience. 549 00:21:33,000 --> 00:21:34,266 Looks like a propeller 550 00:21:34,266 --> 00:21:36,300 where one of the propeller's vertical. 551 00:21:36,300 --> 00:21:38,000 It's casting a vertical shadow 552 00:21:38,000 --> 00:21:40,567 and the other one sort of casting this angular shape, 553 00:21:40,567 --> 00:21:42,900 and it definitely looks like this sort of rabbit ear. 554 00:21:42,900 --> 00:21:44,867 -So looks like a propeller? -[Mark] It does. 555 00:21:44,867 --> 00:21:46,200 Might not be a propeller but... 556 00:21:46,200 --> 00:21:48,000 -Might not be. -...that's what we hope it is? 557 00:21:48,000 --> 00:21:49,166 -Yeah. -Okay. 558 00:21:49,166 --> 00:21:50,333 -Let's go see what it is. -Okay. 559 00:21:56,767 --> 00:21:58,300 [Josh] We motor about a half a mile 560 00:21:58,300 --> 00:22:01,400 across the lagoon toward our mystery sonar hit, 561 00:22:01,400 --> 00:22:03,467 until we arrive at the coordinates 562 00:22:03,467 --> 00:22:05,600 that Mark has waited years to investigate. 563 00:22:05,600 --> 00:22:07,000 -Yeah, we get... we get-- -To the right. 564 00:22:07,000 --> 00:22:08,233 Okay. Slow down. 565 00:22:09,166 --> 00:22:10,600 [Josh] When our vessel is directly 566 00:22:10,600 --> 00:22:11,834 on top of the target... 567 00:22:12,166 --> 00:22:13,233 Now! 568 00:22:15,467 --> 00:22:17,867 [Josh] ...Colin tosses a weighted shot line 569 00:22:17,867 --> 00:22:19,066 over the bow. 570 00:22:19,066 --> 00:22:20,100 This will be our guide 571 00:22:20,100 --> 00:22:21,300 down to the target 572 00:22:21,300 --> 00:22:23,367 and our lifeline back to the boat. 573 00:22:29,200 --> 00:22:30,867 Dan and I drop in 574 00:22:32,767 --> 00:22:35,433 while Mark monitors the coms topside. 575 00:22:37,867 --> 00:22:41,033 [Josh speaking] 576 00:22:45,700 --> 00:22:47,667 [Josh] Hopefully we nailed the position. 577 00:22:47,667 --> 00:22:49,166 As the saying goes, 578 00:22:49,166 --> 00:22:51,200 off by an inch, off by a mile, 579 00:22:51,200 --> 00:22:53,667 and at this depth over a hundred feet, 580 00:22:53,667 --> 00:22:55,300 our bottom time is limited 581 00:22:55,300 --> 00:22:56,667 to about fifteen minutes 582 00:22:56,667 --> 00:22:58,467 to avoid decompression sickness. 583 00:22:59,266 --> 00:23:00,700 This is topside. 584 00:23:00,700 --> 00:23:03,033 What are the conditions down there? Over. 585 00:23:04,300 --> 00:23:08,000 [Dan speaking] 586 00:23:08,000 --> 00:23:09,967 [Josh] Time is tight. 587 00:23:09,967 --> 00:23:11,266 So we drop down fast 588 00:23:11,266 --> 00:23:13,567 making a beeline to the ocean floor. 589 00:23:13,567 --> 00:23:16,734 [Josh speaking] 590 00:23:18,667 --> 00:23:22,367 [Dan speaking] 591 00:23:22,367 --> 00:23:25,900 [Josh speaking] 592 00:23:25,900 --> 00:23:27,233 Topside, copy. 593 00:23:28,266 --> 00:23:31,367 [Josh speaking] 594 00:23:31,367 --> 00:23:34,533 [dramatic music playing] 595 00:23:37,100 --> 00:23:40,233 [Josh speaking] 596 00:23:59,800 --> 00:24:02,367 [dramatic music playing] 597 00:24:02,367 --> 00:24:05,266 [Josh speaking] 598 00:24:05,266 --> 00:24:07,700 All right. What does it look like? 599 00:24:07,700 --> 00:24:10,200 [Josh speaking] 600 00:24:10,200 --> 00:24:11,800 [Josh] I'm with Project Recover 601 00:24:11,800 --> 00:24:14,767 on a mission to find missing World War II Airmen 602 00:24:14,767 --> 00:24:18,066 in Truk Lagoon, Micronesia, 100 feet down. 603 00:24:18,066 --> 00:24:20,867 We're investigating a promising sonar target 604 00:24:20,867 --> 00:24:23,333 that looked like a bent propeller. 605 00:24:33,567 --> 00:24:35,567 [Dan speaking] 606 00:24:35,567 --> 00:24:39,500 [Josh speaking] 607 00:24:39,500 --> 00:24:44,000 [Dan speaking] 608 00:24:44,000 --> 00:24:47,166 [Josh speaking] 609 00:24:50,266 --> 00:24:53,367 [Dan speaking] 610 00:24:59,700 --> 00:25:00,567 [Josh speaking] 611 00:25:01,467 --> 00:25:03,467 [Josh] As the Allied Armada descended 612 00:25:03,467 --> 00:25:06,367 on Truk Lagoon, Japanese ships fled, 613 00:25:06,367 --> 00:25:08,867 cutting anchor to escape the bombardment. 614 00:25:08,867 --> 00:25:09,967 That's great. 615 00:25:09,967 --> 00:25:11,867 Take as many photos as you can and come back up 616 00:25:11,867 --> 00:25:12,834 to the surface. 617 00:25:16,266 --> 00:25:18,000 [Josh] The anchor is an important find 618 00:25:18,000 --> 00:25:21,066 giving battlefield archeologists and historians 619 00:25:21,066 --> 00:25:22,266 another puzzle piece 620 00:25:22,266 --> 00:25:25,834 to reconstruct the story of Operation Hailstone. 621 00:25:33,400 --> 00:25:35,367 [exhales sharply] 622 00:25:35,367 --> 00:25:36,667 Monster anchor down there. 623 00:25:36,667 --> 00:25:38,266 -Nice job. -[Josh] Huge. 624 00:25:38,266 --> 00:25:39,800 We got one sonar target down. 625 00:25:39,800 --> 00:25:41,000 -[Mark] Yup. -Several more to go. 626 00:25:41,000 --> 00:25:41,800 That's right. 627 00:25:41,800 --> 00:25:43,500 [dramatic music playing] 628 00:25:43,500 --> 00:25:46,233 [boat engine whirring] 629 00:25:49,767 --> 00:25:50,667 [Josh] Back on the boat, 630 00:25:50,667 --> 00:25:52,900 we return to our sonar targets 631 00:25:52,900 --> 00:25:54,900 with barely enough time to dry off 632 00:25:54,900 --> 00:25:57,333 before we're on top of another one. 633 00:25:58,467 --> 00:25:59,667 [Josh] So next target, what do we got? 634 00:25:59,667 --> 00:26:02,000 Uh, for the next target I think we should focus on, 635 00:26:02,000 --> 00:26:03,667 uh, this debris field, 636 00:26:03,667 --> 00:26:05,467 looks to be about 25 feet in length. 637 00:26:05,467 --> 00:26:06,800 [Josh] Now, when you look at that, 638 00:26:06,800 --> 00:26:09,166 -you don't immediately think that's an airplane. -[Dan] No. 639 00:26:09,166 --> 00:26:10,567 But sometimes that's what this stuff looks like, right? 640 00:26:10,567 --> 00:26:13,000 Yeah. These planes sometimes hit the surface 641 00:26:13,000 --> 00:26:14,066 at high speeds. 642 00:26:14,066 --> 00:26:16,800 And so what you have is a distributed debris pile. 643 00:26:16,800 --> 00:26:17,967 [Josh] That could be an aircraft. 644 00:26:17,967 --> 00:26:18,900 -[Dan] Yeah. -[Mark] Yup. 645 00:26:18,900 --> 00:26:19,867 [Josh] And then I can't help but notice, 646 00:26:19,867 --> 00:26:21,467 what's this weird thing over here? 647 00:26:21,467 --> 00:26:22,467 [Dan] Yeah. We have what looks like, 648 00:26:22,467 --> 00:26:25,266 uh, a manmade object about 150 feet away 649 00:26:25,266 --> 00:26:26,500 from that debris pile. 650 00:26:26,500 --> 00:26:27,500 -Long shadow... -[Josh] Yeah. 651 00:26:27,500 --> 00:26:28,600 [Dan] ...which means it has some height. 652 00:26:28,600 --> 00:26:30,667 [Mark] And it's also about 10 feet in diameter. 653 00:26:30,667 --> 00:26:31,800 [Josh] 10 feet in diameter? Okay. 654 00:26:31,800 --> 00:26:33,500 So two for one, we hit one target 655 00:26:33,500 --> 00:26:34,967 and then rush over to the other. 656 00:26:34,967 --> 00:26:36,066 [Dan] Yes, we could. 657 00:26:36,066 --> 00:26:37,400 It'll have to be a quick swim, but I think we can do it. 658 00:26:37,400 --> 00:26:38,467 [Josh] Okay. 659 00:26:38,467 --> 00:26:41,634 [dramatic music playing] 660 00:26:42,767 --> 00:26:45,734 [Josh] We circle back around to the coordinates... 661 00:26:51,667 --> 00:26:53,166 release another shot line... 662 00:26:55,967 --> 00:26:58,567 and waste no time dropping down. 663 00:27:03,467 --> 00:27:05,834 [ominous music playing] 664 00:27:06,166 --> 00:27:09,567 [Josh speaking] 665 00:27:38,400 --> 00:27:41,867 [Dan speaking] 666 00:27:41,867 --> 00:27:43,567 [Josh speaking] 667 00:27:43,567 --> 00:27:45,767 Is it wreckage? It looked round on the sonar. 668 00:27:45,767 --> 00:27:47,200 Over. 669 00:27:47,200 --> 00:27:50,433 [Josh speaking] 670 00:27:53,500 --> 00:27:54,800 [Dan speaking] 671 00:27:54,800 --> 00:27:58,166 -[Josh speaking] -[Dan speaking] 672 00:28:02,166 --> 00:28:04,567 [Josh speaking] 673 00:28:04,567 --> 00:28:07,634 [Dan speaking] 674 00:28:12,767 --> 00:28:17,467 [Josh speaking] 675 00:28:17,467 --> 00:28:18,667 [dramatic music playing] 676 00:28:18,667 --> 00:28:20,767 [Josh] One sonar mystery is solved. 677 00:28:20,767 --> 00:28:23,266 Now we quickly swim toward the target 678 00:28:23,266 --> 00:28:25,433 that looks like a debris field. 679 00:28:27,100 --> 00:28:29,767 [Dan speaking] 680 00:28:29,767 --> 00:28:31,767 [Josh speaking] 681 00:28:31,767 --> 00:28:33,567 [Josh] Dan drags the shot line behind us 682 00:28:33,567 --> 00:28:36,634 so we can quickly find our way back to the boat. 683 00:28:38,367 --> 00:28:40,634 [Dan speaking] 684 00:28:42,300 --> 00:28:46,600 [Josh speaking] 685 00:28:46,600 --> 00:28:48,333 Does it look manmade? 686 00:28:49,367 --> 00:28:53,000 [Josh speaking] 687 00:28:53,000 --> 00:28:55,100 [Dan speaking] 688 00:28:55,100 --> 00:28:58,233 [Josh speaking] 689 00:29:02,166 --> 00:29:04,467 -[Dan speaking] -[Josh speaking] 690 00:29:04,467 --> 00:29:06,300 [dramatic music playing] 691 00:29:06,300 --> 00:29:08,600 [Josh] The anchor and the mooring paint a picture 692 00:29:08,600 --> 00:29:10,967 of where Japanese forces were positioned 693 00:29:10,967 --> 00:29:12,367 during Hailstone 694 00:29:12,367 --> 00:29:14,834 and where American pilots may have attacked. 695 00:29:15,600 --> 00:29:18,000 This valuable intel may ultimately aid 696 00:29:18,000 --> 00:29:20,233 the search for MIAs. 697 00:29:21,467 --> 00:29:22,867 Okay. Two more targets down. 698 00:29:22,867 --> 00:29:24,166 All right. 699 00:29:24,166 --> 00:29:25,266 -Plenty more to go. -[Mark] Nice job, guys. 700 00:29:25,266 --> 00:29:27,000 -Plenty more to go. -Nice, guys. 701 00:29:27,000 --> 00:29:28,767 When do the beers come out? 702 00:29:28,767 --> 00:29:30,266 -Uh, when we get back. -Oh, okay. 703 00:29:30,266 --> 00:29:32,000 -[groans] -I wasn't sure. 704 00:29:32,000 --> 00:29:34,066 [dramatic music playing] 705 00:29:34,066 --> 00:29:36,000 [Josh] With the sun setting, we motor back 706 00:29:36,000 --> 00:29:38,834 across the lagoon and return to port. 707 00:29:42,800 --> 00:29:45,900 By the light of a new day, we're back out on the water. 708 00:29:45,900 --> 00:29:48,166 To find missing planes, Project Recover 709 00:29:48,166 --> 00:29:50,266 uses more than just sonar. 710 00:29:50,266 --> 00:29:53,400 They also rely on something even more powerful, 711 00:29:53,400 --> 00:29:54,734 local knowledge. 712 00:29:55,667 --> 00:29:57,600 Josh, I wanna introduce you to Mason Fritz. 713 00:29:57,600 --> 00:29:59,400 -Mason. Hello? -Yeah. Hello. 714 00:29:59,400 --> 00:30:01,467 Mason is our local investigator here in Chuuk. 715 00:30:01,467 --> 00:30:04,467 He is an essential part of the Project Recover team 716 00:30:04,467 --> 00:30:05,867 because there are more than a dozen 717 00:30:05,867 --> 00:30:08,100 populated islands here in Chuuk. 718 00:30:08,100 --> 00:30:10,867 And we need to be able to liaise with local people 719 00:30:10,867 --> 00:30:13,900 in order to get local stories about American aircraft 720 00:30:13,900 --> 00:30:15,867 or personnel who might have washed as shore. 721 00:30:15,867 --> 00:30:16,700 Got it. 722 00:30:16,700 --> 00:30:18,100 So today we're heading to Fana Panges, 723 00:30:18,100 --> 00:30:19,100 which is another island in the... 724 00:30:19,100 --> 00:30:21,200 In the atoll here where Mason has uncovered 725 00:30:21,200 --> 00:30:23,467 a story that's connected to an MIA. 726 00:30:23,467 --> 00:30:24,867 I found an eyewitness. 727 00:30:24,867 --> 00:30:26,533 -You found an eyewitness? -[Mason] Yes. 728 00:30:26,867 --> 00:30:27,967 Okay. 729 00:30:27,967 --> 00:30:30,667 [Josh] An eyewitness account of an American MIA 730 00:30:30,667 --> 00:30:33,967 would be a massive step forward for Project Recover. 731 00:30:33,967 --> 00:30:36,100 Of course, at the time of Hailstone, 732 00:30:36,100 --> 00:30:39,300 all of the people of Chuuk were unwilling eyewitnesses 733 00:30:39,300 --> 00:30:42,467 to a war they had no desire in waging. 734 00:30:42,467 --> 00:30:44,700 And the Japanese took control of these islands 735 00:30:44,700 --> 00:30:45,967 in World War I, right? 736 00:30:45,967 --> 00:30:48,000 -Yes. -And what was that relationship like 737 00:30:48,000 --> 00:30:50,300 between the Japanese and the Chuukese people? 738 00:30:50,300 --> 00:30:51,967 There was a very good relationship 739 00:30:51,967 --> 00:30:54,300 between the Japanese and the Chuukese because 740 00:30:54,300 --> 00:30:57,367 the Japanese were here not for military purpose. 741 00:30:57,367 --> 00:31:00,367 They were here to turn this place 742 00:31:00,367 --> 00:31:01,767 into a commercial site. 743 00:31:01,767 --> 00:31:03,867 When the Japanese start building up this area 744 00:31:03,867 --> 00:31:06,166 for military, that's when the hardships 745 00:31:06,166 --> 00:31:08,166 start coming in for the Chuukese. 746 00:31:08,166 --> 00:31:09,066 -Right. -[Mason] You know? 747 00:31:09,066 --> 00:31:10,100 [Josh] And it was very hard, right? 748 00:31:10,100 --> 00:31:11,667 [Mason] It was very hard. 749 00:31:11,667 --> 00:31:12,867 [Josh] As the war ramped up, 750 00:31:12,867 --> 00:31:15,600 many Chuukese were forced out of their homes 751 00:31:15,600 --> 00:31:17,567 to make room for tens of thousands 752 00:31:17,567 --> 00:31:19,300 of Japanese soldiers. 753 00:31:19,300 --> 00:31:21,567 Facing food shortages and forced to work 754 00:31:21,567 --> 00:31:23,567 for the war effort, it is estimated 755 00:31:23,567 --> 00:31:26,367 that more than a thousand local islanders died, 756 00:31:26,367 --> 00:31:28,800 victims of a war they were simply living 757 00:31:28,800 --> 00:31:30,367 in the middle of. 758 00:31:31,300 --> 00:31:33,066 And so how did the people of Chuuk 759 00:31:33,066 --> 00:31:35,166 look at Operation Hailstone 760 00:31:35,166 --> 00:31:38,567 and the American assault on the Japanese forces here? 761 00:31:38,567 --> 00:31:41,100 They're really thankful because a lot 762 00:31:41,100 --> 00:31:43,266 of the atrocities they faced 763 00:31:43,266 --> 00:31:44,700 during that buildup 764 00:31:44,700 --> 00:31:47,266 of military all the way until the attack 765 00:31:47,266 --> 00:31:50,500 on the lagoon, it's like freedom for them. 766 00:31:50,500 --> 00:31:53,467 You know, the attack really liberates the locals. 767 00:31:53,467 --> 00:31:56,066 [Josh] Not only that, but it forges a bond 768 00:31:56,066 --> 00:31:58,567 that continues with many Micronesians 769 00:31:58,567 --> 00:32:01,266 now serving in the US Armed Forces. 770 00:32:01,266 --> 00:32:03,700 We have more young men and women from Micronesia 771 00:32:03,700 --> 00:32:07,367 are joining the US military per capita 772 00:32:07,367 --> 00:32:09,100 than many other states... 773 00:32:09,100 --> 00:32:10,367 -[Josh] Wow. -...in the United States. 774 00:32:10,367 --> 00:32:12,634 This relationship has really endured. 775 00:32:15,000 --> 00:32:16,600 [Josh] We're hoping that our eyewitness 776 00:32:16,600 --> 00:32:19,266 can continue that spirit of cooperation. 777 00:32:19,266 --> 00:32:20,567 To talk to him, we're motoring 778 00:32:20,567 --> 00:32:22,266 about 30 minutes from Weno 779 00:32:22,266 --> 00:32:23,967 to the western side of the atoll 780 00:32:23,967 --> 00:32:26,333 in the island of Fana Panges. 781 00:32:29,000 --> 00:32:31,667 We arrive at the shores of the lush island 782 00:32:31,667 --> 00:32:34,900 and tie up at an old Japanese dock. 783 00:32:34,900 --> 00:32:37,166 For most of us World War II is history, 784 00:32:37,166 --> 00:32:39,000 but for the people living here, 785 00:32:39,000 --> 00:32:41,367 it's still eerily present. 786 00:32:45,266 --> 00:32:47,567 Children play in the remains of war machinery 787 00:32:47,567 --> 00:32:50,500 used three generations before, 788 00:32:50,500 --> 00:32:52,767 but the people of Fana Panges remember, 789 00:32:52,767 --> 00:32:55,867 including Mason's witness Antaero Rawit. 790 00:32:56,200 --> 00:32:57,467 Hi, I'm Josh. 791 00:32:57,467 --> 00:32:59,400 -Antero. -Antero, nice to meet you. 792 00:32:59,400 --> 00:33:00,266 Colin. 793 00:33:00,266 --> 00:33:01,967 Antero, I understand you've got a story 794 00:33:01,967 --> 00:33:04,367 about something that was witnessed in World War II. 795 00:33:04,367 --> 00:33:07,266 I heard that there was an American airman 796 00:33:07,266 --> 00:33:09,300 who came to this island on a raft. 797 00:33:09,300 --> 00:33:11,066 -[Colin] Wow. -My grandfather knew 798 00:33:11,066 --> 00:33:12,300 a little bit of English. 799 00:33:12,300 --> 00:33:14,400 That's why they brought the airman to him. 800 00:33:14,400 --> 00:33:16,767 And those people that brought him here, 801 00:33:16,767 --> 00:33:18,567 did they see a plane crash? 802 00:33:18,567 --> 00:33:22,300 They said that they saw a crash between here and Udot. 803 00:33:22,300 --> 00:33:24,266 And, Mason, Udot is this island? 804 00:33:24,266 --> 00:33:25,767 Yes. Udot is this island. 805 00:33:25,767 --> 00:33:28,567 [Josh] So somewhere in between these two islands 806 00:33:28,567 --> 00:33:29,667 is a missing plane. 807 00:33:29,667 --> 00:33:31,000 I can't believe it. 808 00:33:31,000 --> 00:33:32,066 This is incredible. 809 00:33:32,066 --> 00:33:35,734 [dramatic music playing] 810 00:33:39,400 --> 00:33:40,767 [Antero] An American airman 811 00:33:40,767 --> 00:33:44,800 was brought to my grandfather by some other native people 812 00:33:44,800 --> 00:33:46,400 from this island. 813 00:33:46,400 --> 00:33:48,867 [Josh] I'm interviewing the grandson of a local man 814 00:33:48,867 --> 00:33:52,767 who aided a downed American airman during World War II. 815 00:33:54,100 --> 00:33:55,767 So your grandfather was able to protect 816 00:33:55,767 --> 00:33:57,367 this guy for how long? 817 00:33:57,367 --> 00:33:58,567 For a couple of days. 818 00:33:58,567 --> 00:34:00,100 And then what, the Japanese found out? 819 00:34:00,100 --> 00:34:03,100 The Japanese came to my grandfather's house. 820 00:34:03,100 --> 00:34:05,567 They forced their way inside the house 821 00:34:05,567 --> 00:34:07,300 and they beat up my grandfather 822 00:34:07,300 --> 00:34:09,166 and took the American guy 823 00:34:09,166 --> 00:34:11,400 away from my grandfather's house. 824 00:34:11,400 --> 00:34:12,300 -Wow. -[Colin] Wow. 825 00:34:12,300 --> 00:34:13,567 Incredible. 826 00:34:13,567 --> 00:34:15,367 And so considering it was a risk, 827 00:34:15,367 --> 00:34:16,867 why do you think your grandfather 828 00:34:16,867 --> 00:34:18,100 tried to protect him? 829 00:34:18,100 --> 00:34:20,567 During that time, the Chuukese people 830 00:34:20,567 --> 00:34:24,767 were treated by the Japanese very, very badly. 831 00:34:24,767 --> 00:34:27,266 The people of Chuuk, they knew that the American 832 00:34:27,266 --> 00:34:28,367 would save them. 833 00:34:28,367 --> 00:34:30,100 Hmm. And what about a name? 834 00:34:30,100 --> 00:34:31,767 What did your grandfather call him? 835 00:34:31,767 --> 00:34:33,867 The name of the airman was Fredrick. 836 00:34:33,867 --> 00:34:35,066 -Frederick? -Frederick? 837 00:34:35,066 --> 00:34:37,000 -Oh, my God. -Is there a Frederick? 838 00:34:37,000 --> 00:34:38,266 -Yes, there is definitely a Frederick. -There is? 839 00:34:38,266 --> 00:34:39,467 -[Colin] Oh, yes. -Among the missing? 840 00:34:39,467 --> 00:34:40,667 Among the missing in Truk. 841 00:34:40,667 --> 00:34:42,567 I mean, we know these names back and forth. 842 00:34:42,567 --> 00:34:44,567 -Uh, 199 of them. -Right. 843 00:34:44,567 --> 00:34:46,367 And I know one of them is definitely Frederick. 844 00:34:46,367 --> 00:34:47,367 There is a Frederick? 845 00:34:47,367 --> 00:34:49,200 There's a Frederick, Frederick McKenzie. 846 00:34:49,200 --> 00:34:51,867 And I'm shocked to hear that this was Frederick. 847 00:34:51,867 --> 00:34:53,266 It's the only Frederick that's missing. 848 00:34:53,266 --> 00:34:55,266 Is it a single pilot aircraft that he's in? 849 00:34:55,266 --> 00:34:56,900 No, it's actually, it's an Avenger. 850 00:34:56,900 --> 00:34:59,100 It's a three-crewmen torpedo bomber. 851 00:34:59,100 --> 00:35:00,800 -He's in an Avenger. -Wow. 852 00:35:00,800 --> 00:35:03,500 And were there any other crewmen on the life raft? 853 00:35:03,500 --> 00:35:05,300 -No. He was a alone. -[Colin] Just a single guy? 854 00:35:05,300 --> 00:35:08,367 So that means that in this strait 855 00:35:08,367 --> 00:35:10,200 between these two islands, 856 00:35:10,200 --> 00:35:12,166 there may be an Avenger and two crewmen. 857 00:35:12,166 --> 00:35:14,367 And to hear that possibly he crashed in between 858 00:35:14,367 --> 00:35:16,867 these two islands, it's a huge break. 859 00:35:21,900 --> 00:35:23,600 This is incredible. 860 00:35:23,600 --> 00:35:25,100 Thank you so much... 861 00:35:25,100 --> 00:35:26,667 -You're welcome. -...for sharing this story, 862 00:35:26,667 --> 00:35:28,367 -really, it's incredible. -Kinisou Chapur. 863 00:35:28,367 --> 00:35:29,900 Thank you. 864 00:35:29,900 --> 00:35:32,100 [Josh] Gunner Frederick McKenzie was stationed 865 00:35:32,100 --> 00:35:33,800 on the USS Bunker Hill 866 00:35:33,800 --> 00:35:37,600 as part of the VT-17 Torpedo Squadron. 867 00:35:37,600 --> 00:35:40,467 Thanks to Antero we now know how his story 868 00:35:40,467 --> 00:35:41,900 of service ends, 869 00:35:41,900 --> 00:35:43,800 not at the bottom of Truk Lagoon, 870 00:35:43,800 --> 00:35:46,834 but as a POW who never came home. 871 00:35:47,500 --> 00:35:48,767 As for the rest of the crew, 872 00:35:48,767 --> 00:35:51,166 radioman, Stanley S. Stump 873 00:35:51,166 --> 00:35:53,266 and Pilot Newton B. Birkes 874 00:35:53,266 --> 00:35:55,834 may still be out there waiting to be found. 875 00:35:59,266 --> 00:36:02,166 To see if we can locate them, we get back on the water 876 00:36:02,166 --> 00:36:04,567 and link up with Mark and two other members 877 00:36:04,567 --> 00:36:07,166 of the Project Recover team who are bringing 878 00:36:07,166 --> 00:36:10,500 cutting edge tech to scan our new target area. 879 00:36:10,500 --> 00:36:12,900 Okay. So let's talk about this sonar. 880 00:36:12,900 --> 00:36:14,000 I assume that's this thing here? 881 00:36:14,000 --> 00:36:15,066 [Mark] Yeah. That's what we got. 882 00:36:15,066 --> 00:36:16,166 Can we see it? 883 00:36:16,166 --> 00:36:17,266 -Yeah, let's see it. -Yeah. Let's go. 884 00:36:19,467 --> 00:36:21,400 [Josh] I feel like a kid on Christmas 885 00:36:21,400 --> 00:36:24,867 as Project Recover breaks out their latest AUV. 886 00:36:24,867 --> 00:36:26,166 Look at this thing. 887 00:36:26,166 --> 00:36:27,266 This is insane. 888 00:36:27,266 --> 00:36:28,367 What are we looking at here? 889 00:36:28,367 --> 00:36:31,100 So this is an autonomous underwater vehicle or an AUV. 890 00:36:31,100 --> 00:36:32,667 [Josh] I remember the last time I worked 891 00:36:32,667 --> 00:36:35,166 with Project Recover, you had an AUV named Barry. 892 00:36:35,166 --> 00:36:36,467 -[Mark] Yeah. -What's this one called? 893 00:36:36,467 --> 00:36:37,767 This one's called Killer. 894 00:36:37,767 --> 00:36:39,467 And its partner is Hunter. Hunter, Killer. 895 00:36:39,467 --> 00:36:41,567 Killer? Oh, you've really stepped things up here. 896 00:36:41,567 --> 00:36:43,900 This is... You're not... You're not fooling around anymore. 897 00:36:43,900 --> 00:36:46,467 If I were to go online and pick up one of these bad boys, 898 00:36:46,467 --> 00:36:48,000 this would set me back about how much? 899 00:36:48,000 --> 00:36:49,767 About 700K. 900 00:36:49,767 --> 00:36:51,200 -$700,000? -Yes. 901 00:36:51,200 --> 00:36:52,266 You get free shipping, though. 902 00:36:52,266 --> 00:36:54,867 Oh, that's good. I would hope so. 903 00:36:54,867 --> 00:36:56,767 [Mark] We have some amazing innovation here. 904 00:36:56,767 --> 00:37:00,500 One of them is the INS here, Inertial Navigation System, 905 00:37:00,500 --> 00:37:03,000 which is analogous to a cruise missile underwater. 906 00:37:03,000 --> 00:37:04,600 And by autonomous we mean this thing 907 00:37:04,600 --> 00:37:06,700 is not attached to the boat in any way. 908 00:37:06,700 --> 00:37:07,800 -It's on its own. -Yeah. 909 00:37:07,800 --> 00:37:09,100 It's fully independent. 910 00:37:09,100 --> 00:37:10,667 It's basically a mini submarine. 911 00:37:10,667 --> 00:37:11,567 [Leila] Yeah. Exactly. 912 00:37:11,567 --> 00:37:13,100 So we give it a pass to follow, 913 00:37:13,100 --> 00:37:14,667 kind of like mowing the lawn 914 00:37:14,667 --> 00:37:17,567 and rows back and forth and it follows those. 915 00:37:17,567 --> 00:37:20,367 And in terms of today's mission, what's our plan? 916 00:37:20,367 --> 00:37:22,767 We're gonna scan the seafloor between the two islands. 917 00:37:22,767 --> 00:37:24,300 Um, we'll be out in about six hours 918 00:37:24,300 --> 00:37:26,800 and get about a mile, square mile of coverage. 919 00:37:26,800 --> 00:37:28,767 And really, this is not just you searching here. 920 00:37:28,767 --> 00:37:30,500 Probably nobody's searched here before, right? 921 00:37:30,500 --> 00:37:32,467 It is... I think it's safe to say that nobody's seen 922 00:37:32,467 --> 00:37:33,700 the seafloor here. 923 00:37:33,700 --> 00:37:34,834 -All right, let's get this thing in the water. -All right. 924 00:37:38,700 --> 00:37:39,867 You're going ahead there. 925 00:37:42,567 --> 00:37:44,467 And it's away. 926 00:37:44,467 --> 00:37:47,066 Look at that. There she goes. 927 00:37:47,066 --> 00:37:48,834 Dive, dive, dive. 928 00:37:49,600 --> 00:37:51,233 Okay. She's down. 929 00:37:52,400 --> 00:37:55,100 [Josh] The AUV, affectionately known as Killer, 930 00:37:55,100 --> 00:37:56,367 is in the water, 931 00:37:56,367 --> 00:37:58,367 and it begins its six-hour program 932 00:37:58,367 --> 00:38:00,634 scanning through our search zone. 933 00:38:01,567 --> 00:38:03,700 Normally, I take this time to read 934 00:38:03,700 --> 00:38:05,367 or, let's not kid ourselves, sleep, 935 00:38:05,367 --> 00:38:08,266 but instead Mark tells me to suit up for a dive. 936 00:38:08,266 --> 00:38:10,367 I'm not sure what's beneath us, 937 00:38:10,367 --> 00:38:13,066 but I'm certainly intrigued to find out. 938 00:38:26,800 --> 00:38:29,100 [Mark speaking] 939 00:38:29,100 --> 00:38:31,967 [Josh speaking] 940 00:38:34,166 --> 00:38:37,767 [Mark speaking] 941 00:38:37,767 --> 00:38:40,433 [Josh speaking] 942 00:38:42,967 --> 00:38:45,900 [Mark speaking] 943 00:38:45,900 --> 00:38:50,133 [Josh speaking] 944 00:39:03,567 --> 00:39:06,734 [Mark speaking] 945 00:39:10,567 --> 00:39:15,066 [Josh speaking] 946 00:39:18,500 --> 00:39:21,634 [Mark speaking] 947 00:39:26,066 --> 00:39:27,400 [Josh] Almost twice as long 948 00:39:27,400 --> 00:39:29,400 as the Statue of Liberty is tall, 949 00:39:29,400 --> 00:39:32,467 this behemoth was sent to the bottom of Truk Lagoon 950 00:39:32,467 --> 00:39:35,934 by two pairs of bombs from American aircraft. 951 00:39:39,467 --> 00:39:41,533 [Josh speaking] 952 00:39:42,500 --> 00:39:45,166 [Mark speaking] 953 00:39:45,967 --> 00:39:48,100 [Josh speaking] 954 00:39:48,100 --> 00:39:52,367 [Mark speaking] 955 00:39:52,367 --> 00:39:55,467 [suspenseful music playing] 956 00:39:59,567 --> 00:40:01,767 [Mark speaking] 957 00:40:01,767 --> 00:40:04,133 [Josh speaking] 958 00:40:06,500 --> 00:40:10,934 [Mark speaking] 959 00:40:11,567 --> 00:40:13,333 [Josh speaking] 960 00:40:22,467 --> 00:40:24,667 [Josh] We swim along a now sideways deck 961 00:40:24,667 --> 00:40:26,767 that stretches the length of the ship. 962 00:40:26,767 --> 00:40:28,800 It's disorienting as what feels like 963 00:40:28,800 --> 00:40:32,000 the floor below is a wall dotted with windows 964 00:40:32,000 --> 00:40:34,333 leading to the ship's interior. 965 00:40:36,567 --> 00:40:39,166 [Mark speaking] 966 00:40:39,166 --> 00:40:41,000 [Josh speaking] 967 00:40:41,000 --> 00:40:44,667 [Mark speaking] 968 00:40:44,667 --> 00:40:48,567 [Josh speaking] 969 00:41:04,467 --> 00:41:07,433 [Mark speaking] 970 00:41:10,767 --> 00:41:13,800 [Josh speaking] 971 00:41:13,800 --> 00:41:18,333 [Mark speaking] 972 00:41:22,100 --> 00:41:25,000 [Josh speaking] 973 00:41:25,000 --> 00:41:29,266 [suspenseful music playing] 974 00:41:32,934 --> 00:41:34,400 [Josh] As the host of Expedition Unknown, 975 00:41:34,400 --> 00:41:36,734 I've been to over a hundred different countries. 976 00:41:36,734 --> 00:41:39,367 I've seen everything from the base camp of Everest 977 00:41:39,367 --> 00:41:42,166 and the Moai of Easter Island, 978 00:41:42,166 --> 00:41:43,934 to the Amazonian rainforest 979 00:41:43,934 --> 00:41:46,567 and the frozen tundra of Siberia. 980 00:41:46,567 --> 00:41:48,767 But on the remote island of Kosrae, 981 00:41:48,767 --> 00:41:52,233 I'm finally going someplace I've never been. 982 00:41:56,567 --> 00:41:59,133 I've waited my whole life to look in there. 983 00:41:59,133 --> 00:42:00,667 It's where the bags go. 984 00:42:02,066 --> 00:42:03,567 All right. This one is all beer. 985 00:42:03,567 --> 00:42:06,166 Be careful with that one. All right? 986 00:42:06,166 --> 00:42:07,500 You can have a few. 987 00:42:07,500 --> 00:42:09,400 Precious cargo. 988 00:42:11,934 --> 00:42:12,834 [dramatic music playing] 989 00:42:12,834 --> 00:42:16,100 [Josh speaking] 990 00:42:16,100 --> 00:42:18,066 [Mark speaking] 991 00:42:18,066 --> 00:42:20,867 [Josh speaking] 992 00:42:20,867 --> 00:42:22,934 [Josh] I'm in Micronesia's Truk Lagoon 993 00:42:22,934 --> 00:42:25,166 searching for the wreckage of American planes 994 00:42:25,166 --> 00:42:27,066 from World War II. 995 00:42:27,066 --> 00:42:30,266 A massive Japanese ship called the Heian Maru 996 00:42:30,266 --> 00:42:32,667 has lain here since 1944 997 00:42:32,667 --> 00:42:35,266 along with its still live ordnance. 998 00:42:35,266 --> 00:42:37,834 [Mark speaking] 999 00:42:37,834 --> 00:42:42,266 [Josh speaking] 1000 00:42:42,266 --> 00:42:46,433 [suspenseful music playing] 1001 00:42:48,100 --> 00:42:51,634 [Mark speaking] 1002 00:43:03,000 --> 00:43:05,367 [Josh speaking] 1003 00:43:05,367 --> 00:43:07,100 [Mark speaking] 1004 00:43:07,100 --> 00:43:08,734 [Josh speaking] 1005 00:43:08,734 --> 00:43:11,834 [dramatic music playing] 1006 00:43:18,333 --> 00:43:20,467 [Josh] We return awestruck to the vessel 1007 00:43:20,467 --> 00:43:22,367 where the AUV has finished running 1008 00:43:22,367 --> 00:43:25,266 its long sonar sweep through the search zone. 1009 00:43:25,266 --> 00:43:27,500 -[Mark] There it is. -Oh, she's up. Okay. 1010 00:43:28,967 --> 00:43:31,066 [Josh] Now, it's time to collect the drone 1011 00:43:31,066 --> 00:43:33,033 and review the data. 1012 00:43:33,033 --> 00:43:34,834 Okay. One, two, three. 1013 00:43:35,767 --> 00:43:37,166 Okay. 1014 00:43:37,166 --> 00:43:38,266 Hopefully we have some data. 1015 00:43:38,266 --> 00:43:39,667 Into the dock. 1016 00:43:39,667 --> 00:43:40,867 Nice job. 1017 00:43:40,867 --> 00:43:42,000 Nice work. 1018 00:43:44,433 --> 00:43:46,667 [Josh] Hours later, back at Project Recover's 1019 00:43:46,667 --> 00:43:48,467 makeshift headquarters on Weno, 1020 00:43:48,467 --> 00:43:50,266 I'm anxious to learn if Killer 1021 00:43:50,266 --> 00:43:51,767 found the downed Avenger 1022 00:43:51,767 --> 00:43:53,834 reported by a local eyewitness 1023 00:43:53,834 --> 00:43:56,333 or anything else for that matter. 1024 00:43:56,333 --> 00:43:57,567 -Hey, guys. -Hey, Mark. Hey Josh. 1025 00:43:57,567 --> 00:43:58,834 Hey. Hey. How's it going? 1026 00:43:58,834 --> 00:44:00,233 It's good. We collected a lot of data. 1027 00:44:00,233 --> 00:44:01,367 That's the big question. You got data. 1028 00:44:01,367 --> 00:44:02,967 Yeah. Yeah. Good data. It looks really clean. 1029 00:44:02,967 --> 00:44:05,100 -Let's figure it out. -So this footprint here 1030 00:44:05,100 --> 00:44:06,367 is what we've scanned today, 1031 00:44:06,367 --> 00:44:07,767 just about a square mile 1032 00:44:07,767 --> 00:44:09,033 with inch to 2-inch resolution. 1033 00:44:09,033 --> 00:44:10,367 So cool. 1034 00:44:10,367 --> 00:44:12,934 So how do we unpack this huge amount of data? 1035 00:44:12,934 --> 00:44:14,100 Traditionally, we would go through it 1036 00:44:14,100 --> 00:44:16,967 line by line just like the AUV ran the mission today. 1037 00:44:16,967 --> 00:44:19,867 And then we see about 250 feet on each side 1038 00:44:19,867 --> 00:44:21,100 of where the AUV is. 1039 00:44:21,100 --> 00:44:22,934 [Josh] The scanning may be autonomous. 1040 00:44:22,934 --> 00:44:24,133 Thanks again, Killer. 1041 00:44:24,133 --> 00:44:27,333 But historically the analysis has been very manual. 1042 00:44:27,333 --> 00:44:29,066 With researchers needing to stare 1043 00:44:29,066 --> 00:44:32,800 at every inch of the ocean floor as it scrolls by. 1044 00:44:33,500 --> 00:44:35,333 Long night. Get my jammies on. 1045 00:44:35,333 --> 00:44:37,834 Well. Maybe not. I mean. Leila brings a new tool 1046 00:44:37,834 --> 00:44:40,567 to the table and that we're trying to try that out. 1047 00:44:40,567 --> 00:44:42,100 [Josh] While the rest of the world is using 1048 00:44:42,100 --> 00:44:44,266 artificial intelligence to cheat on their homework 1049 00:44:44,266 --> 00:44:46,100 and make trippy art projects, 1050 00:44:46,100 --> 00:44:48,266 Leila has found a purpose for AI 1051 00:44:48,266 --> 00:44:50,000 that's incredibly useful. 1052 00:44:50,000 --> 00:44:52,567 So I'm putting together a machine learning model, 1053 00:44:52,567 --> 00:44:54,600 which is a type of artificial intelligence 1054 00:44:54,600 --> 00:44:56,867 that's going to automatically tell us 1055 00:44:56,867 --> 00:44:59,867 where planes and debris are in the sonar 1056 00:44:59,867 --> 00:45:01,333 in two to three minutes. 1057 00:45:01,333 --> 00:45:02,834 That sounds like witchcraft. 1058 00:45:02,834 --> 00:45:03,867 How is that possible? 1059 00:45:03,867 --> 00:45:06,266 Over several months, I've fed the model 1060 00:45:06,266 --> 00:45:08,233 previous data from past missions 1061 00:45:08,233 --> 00:45:10,166 and it's learned what planes look like 1062 00:45:10,166 --> 00:45:11,500 and what debris looks like. 1063 00:45:11,500 --> 00:45:14,133 So it's able to discriminate between 1064 00:45:14,133 --> 00:45:15,667 what's a rock or a piece of coral 1065 00:45:15,667 --> 00:45:16,600 and what could be wreckage? 1066 00:45:16,600 --> 00:45:18,500 -Exactly. -And does it work? 1067 00:45:18,500 --> 00:45:20,567 Well, that's what we're here to find out. 1068 00:45:20,567 --> 00:45:23,233 This is our first time running it in the field. 1069 00:45:23,233 --> 00:45:24,867 And we legitimately have no idea 1070 00:45:24,867 --> 00:45:25,967 what this is gonna find. 1071 00:45:25,967 --> 00:45:27,166 No, we have no idea. 1072 00:45:27,166 --> 00:45:29,433 [Josh] And so we decide to cross our fingers 1073 00:45:29,433 --> 00:45:31,033 and power on Skynet. 1074 00:45:31,867 --> 00:45:32,867 Boom. 1075 00:45:32,867 --> 00:45:34,500 Faster than you can say, "Good Lord, 1076 00:45:34,500 --> 00:45:36,500 we're all gonna be replaced by machines," 1077 00:45:36,500 --> 00:45:39,266 the AI has scanned thousands of sonar images 1078 00:45:39,266 --> 00:45:41,667 and compiled the results. 1079 00:45:41,667 --> 00:45:43,333 -[Josh] So each of these dots is a prediction? -[Leila] Yes. Yeah. 1080 00:45:43,333 --> 00:45:45,166 So each of these dots is where the model thinks 1081 00:45:45,166 --> 00:45:47,767 that there's something associated with an aircraft. 1082 00:45:47,767 --> 00:45:51,166 [Josh] Wow. Item one. 1083 00:45:51,166 --> 00:45:52,467 Something down there. 1084 00:45:52,467 --> 00:45:54,266 You can see the really rounded edges. 1085 00:45:54,266 --> 00:45:56,266 It could be a part of a plane or a ship. 1086 00:45:56,266 --> 00:45:57,600 This is an anchorage area, 1087 00:45:57,600 --> 00:45:58,567 so there's a lot of debris there. 1088 00:45:58,567 --> 00:46:00,667 Because it has this kind of elongated shape. 1089 00:46:00,667 --> 00:46:02,467 It thinks maybe that's a plane. 1090 00:46:02,467 --> 00:46:03,967 But you think it's not? 1091 00:46:03,967 --> 00:46:05,100 No. No way. 1092 00:46:05,100 --> 00:46:08,500 Okay. Well, all right, next up. 1093 00:46:08,500 --> 00:46:09,767 [Dan] Yeah. This is interesting. 1094 00:46:09,767 --> 00:46:11,767 It could be something 200 to 300 feet. 1095 00:46:11,767 --> 00:46:13,333 So I definitely don't think it's aircraft. 1096 00:46:13,333 --> 00:46:16,667 So not necessarily a plane, but could be manmade? 1097 00:46:16,667 --> 00:46:17,834 [Dan] Could be manmade. 1098 00:46:17,834 --> 00:46:19,467 [Josh] The search continues. 1099 00:46:19,467 --> 00:46:23,367 One by one we dismiss each hit as coral, 1100 00:46:23,367 --> 00:46:25,667 debris, or junk. 1101 00:46:25,667 --> 00:46:29,166 And then we see something incredible. 1102 00:46:29,166 --> 00:46:31,967 -Oh, that is a plane. -That's a plane. 1103 00:46:31,967 --> 00:46:33,600 That has to be a plane, right? 1104 00:46:33,600 --> 00:46:35,367 -[man] Yeah. -Wait, can you go... Can you go closer to that? 1105 00:46:35,367 --> 00:46:36,834 Yeah. 1106 00:46:36,834 --> 00:46:38,867 [Josh] Shut up, that... That's a plane. 1107 00:46:38,867 --> 00:46:40,066 [Leila] It's a lot like a plane. 1108 00:46:40,066 --> 00:46:42,467 That's a plane for sure, right? 1109 00:46:42,467 --> 00:46:44,934 See the wings here, that's the tail section. 1110 00:46:44,934 --> 00:46:45,967 I mean that's a plane. 1111 00:46:45,967 --> 00:46:47,500 -That's a plane. -[Dan] Yeah. That's a plane. 1112 00:46:47,500 --> 00:46:49,667 And I can tell you it looks like a World War II plane. 1113 00:46:49,667 --> 00:46:50,600 [Josh] Could this be the plane 1114 00:46:50,600 --> 00:46:51,367 that we're looking for here? 1115 00:46:51,367 --> 00:46:52,467 [Dan] It's in the right area. 1116 00:46:52,467 --> 00:46:53,567 We are in the right spot. 1117 00:46:53,567 --> 00:46:54,600 -And there is a plane there. -[man] Yeah. 1118 00:46:54,600 --> 00:46:56,500 I still can't believe it's an actual plane 1119 00:46:56,500 --> 00:46:57,967 staring us in the face. 1120 00:46:57,967 --> 00:46:59,100 [Josh] We can dive that. 1121 00:46:59,100 --> 00:47:00,500 -[Colin] We can dive that. -We can dive that tomorrow. 1122 00:47:00,500 --> 00:47:01,867 And based on the location, too. 1123 00:47:01,867 --> 00:47:04,433 It's never been seen before. 1124 00:47:04,433 --> 00:47:05,467 [Josh] Right. 1125 00:47:05,467 --> 00:47:07,500 So whatever that is, 1126 00:47:07,500 --> 00:47:09,033 nobody's been down there to look at it. 1127 00:47:09,033 --> 00:47:10,333 Not in 80 years. 1128 00:47:10,867 --> 00:47:11,867 Wow. 1129 00:47:11,867 --> 00:47:13,166 That's awesome. 1130 00:47:17,333 --> 00:47:19,834 [Josh] Next time on Expedition Unknown. 1131 00:47:22,467 --> 00:47:26,133 The search for missing World War II heroes continues. 1132 00:47:27,000 --> 00:47:28,834 On a group of remote Pacific islands, 1133 00:47:28,834 --> 00:47:32,734 an eyewitness reveals buried secrets. 1134 00:47:32,734 --> 00:47:35,734 [Mason] After they tied them, he heard the explosion. 1135 00:47:36,333 --> 00:47:37,734 The men were dead. 1136 00:47:38,600 --> 00:47:40,667 [Josh] Our team explores land... 1137 00:47:40,667 --> 00:47:42,333 Josh, there's a maze of these tunnels 1138 00:47:42,333 --> 00:47:43,467 all throughout the mountains. 1139 00:47:43,467 --> 00:47:45,100 [Josh] This is crazy. 1140 00:47:45,100 --> 00:47:48,000 [Josh] ...and sea, to find those who made 1141 00:47:48,000 --> 00:47:49,667 the ultimate sacrifice. 1142 00:47:49,667 --> 00:47:52,767 [Josh speaking]