The Discovery Of A Sunken US War Ship

The Discovery Of A Sunken US War Ship


May 15, 2025 | M. Clarke

The Discovery Of A Sunken US War Ship


Lost And Found

Throughout the history of naval-based transit, ships have been lost to the depths of the sea. Some have exact locations recorded, others have vanished completely. A slim few get rediscovered as scholars and researchers connect new dots to find these forgotten sinkings.

Named For The Natural Beauty Of Her Country

The USS Ommaney Bay is one such ship to be located in recent years. Named for a bay in Alaska, the ship was first launched in 1943 from Vancouver, Washington. Her construction was sponsored by Mrs PK Robottom and was built by the Kaiser Shipbuilding Company. 

File:Shipbuilding in the Kaiser Shipyards in the USA during the Second World War A12085.jpgUnknown authorUnknown author, Wikimedia Commons

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Taken Under The Wing Of The Navy

A year later, she was transferred to the control of the United States Navy and commissioned to participate in the WWII effort. On February 11, 1944, Captain Howard L Young took command. The ship’s design granted her some specific advantages during this international conflict.

Luck Was On Their Side factsPixabay

Capabilities Beyond Expectation

The ship was an escort carrier in the Casablanca-class. Ommaney was one of the many mass-produced carriers of this type, which meant she was easy to assemble from prefabricated parts and simple to repair if she was damaged during conflicts. But that wasn’t the only upper hand she had.

File:USS Guadalcanal (CVE-60) underway on on 28 September 1944 (NH 106567).jpgUnknown authorUnknown author, Wikimedia Commons

Power Throughout Her Construction

She had two Uniflow steam engines that totaled 9,000 horsepower. The carrier had a max speed of 19 knots, which was wild for a ship of that weight and size. Even though in comparison to smaller vessels she was large, the design of the carrier was actually very compact. So much so that Ommaney needed a surprising feature.

File:Inboard and outboard profiles of a Casablanca-class escort carrier, 1946.pngU.S. Navy, Wikimedia Commons

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Creative Ways To Get Planes In The Air

An aircraft catapult was installed at the bow to help planes take off from the ship’s deck. Not only that but there were two elevators on either end of the ship that lifted smaller aircraft onto the top deck from lower levels of the carrier. But this vessel wasn’t just a storage ship.

File:USS Ommaney Bay (CVE-79) off Hawaii, July 1944.jpgU.S. Navy Employee, Wikimedia Commons

She Was Not Defenseless

The USS Ommaney Bay was packing its own protection. It had huge projectiles mounted to the stern, with 16 additional anti-aircraft devices and 12 huge cannons. As its service went on, this class of carrier had additional combat capabilities installed to counter kamikaze strategies.

File:Hyde Park Anti-aircraft guns H 993.jpgWar Office official photographer, Wikimedia Commons

The Mother Of Little Planes

Her carrying capacity was intense. During the Mariana and Palau Islands campaign, a total of 27 aircraft were housed by her. And that wasn’t even the most she could carry, as we’ll see later.

File:USS Thetis Bay CVE-90 1944NAN4-75.jpgUSN, Wikimedia Commons

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A Maiden Voyage Decrying Her Abilities

The first journey she went on was a simple one. She was fitted out in Astoria, Oregon, and from there, she did a sea trial in Puget Sound. After she was deemed sea-worthy, her first destination was far-reaching.

File:USS Casablanca (CVE-55) in Puget Sound, circa in July 1943 (NH 106580).jpgUnknown authorUnknown author, Wikimedia Commons

A Quick Jaunt For A Ship So Fast

On board, she carried many aircraft and supplied cargo for the efforts overseas, and she transported them to Brisbane, Australia. Her quest began on March 19, 1944, and by April 27, she was back in San Diego. For such a long haul, she didn’t take her time.

File:USS Casablanca CVE-55 with P-47Ns.jpgPhoM3c. D.C. Diers, USN (photo 80-CASA-706), Wikimedia Commons

A Vital Contributor

The USS Ommaney Bay was an important part of the combat effort at the time. She and other carriers of her class were sent to provide support around the Pacific. Due to her size and capabilities, she could support the sea and the sky.

File:USS Casablanca (CVE-55) underway at sea on 2 March 1945 (80-G-320296).jpgU.S. Navy, Wikimedia Commons

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A South Pacific Star

The carrier traveled throughout the Pacific, especially in the southern part of the ocean around Japan and the Philippines. Though she’d only been on the water for about two years, she made her mark. She was awarded two Battle Stars for her contributions and her service. 

File:Sangamon-class escort carrier operating in the South Pacific in 1943.jpgU.S. Navy, Wikimedia Commons

Tragedy Struck At A Surprising Moment

On January 4, 1945, the USS Ommaney Bay was in transit near the Philippines when a Japanese kamikaze pilot collided with the ship’s starboard side. This wasn’t the first time they’d encountered the strategy, having engaged with over 40 planes in December. But that conflict went a little differently.

File:Mitsubishi Ki-15, Kamikaze 01.pngUnknown authorUnknown author, Wikimedia Commons

One Victory Didn’t Mean She’d Always Win

In December, the officers and sailors of the carrier could see their enemies incoming and they utilized their anti-aircraft munitions to protect themselves. The plane was within 400 meters of the ship when it went up in flames, sailing a mere 27 meters over the deck and into the ocean on the other side of the carrier. 

1747213283023thongchuea, Getty Images

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She Was Struck, And She Couldn’t Recover

This time, on January 4, 1945, things didn’t go according to plan for the USS Ommaney Bay. It was just after 5 pm, and the ship had already taken down one plane attempting to engage the carrier. They didn’t see the second plane coming.

File:Frances & Ommaney Bay.jpgUSN, Wikimedia Commons

Her Officers Did They Best They Could

Captain Young, who had led the ship since its commission into US control, had tried to counter the possibility of kamikaze planes by setting up many lookouts across the top deck. All 10 were given a lookout and Polaroid glasses—but without radar signals to help them, the lookouts weren’t enough.

File:US Navy 000918-N-5961C-001 Sailor on lookout watch aboard ship.jpgU.S. navy photo by Photographer's Mate 1st Class Spike Call., Wikimedia Commons

A Natural Phenomenon Spelled Her Downfall

The sun was setting, the glare of which hid the other plane from the sailors on the USS Ommaney Bay. When they collided, the sailors on watch were taken off guard by the abrupt noise and fire. The plane came at them head-on.

Sailor stands lookout at seaOfficial U.S. Navy Page from United States of America, Wikimedia Commons

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The Initial Damage Was Already Extensive

As it made its way over the flight deck, the plane released two explosives. The first punched through the top deck into the hangar deck below. When it detonated, it set off the stored planes, all of which had full tanks of gas, and disrupted one of the boiler uptakes. 

File:Cve79a.jpgUnknown authorUnknown author (US Navy), Wikimedia Commons

Her Hangar Was About To Blow

At the time, the USS Ommaney Bay was carrying 31 planes in its hangar. This was the most the ship had ever carried. Each of them was armed and had full tanks of highly flammable fuel. The first impact had already irreparably damaged the ship, but the second caused even more damage.

File:Liberty party returns to USS Casablanca (CVE-55) off Manus on 19 April 1945 (80-CASA-618).jpgPhoM1c R.W. Mowday, USN (USN photo 80-CASA-618), Wikimedia Commons

Things Got Significantly Worse

The second missile went through the hangar deck to the second deck, where it damaged the fire main and exploded on the ship’s starboard side. A fire immediately went up, devouring the aft flight deck. The destruction caused a loss of power and communications in the bridge. 

File:Uss Ommaney Bay.jpgNaval History & Heritage Command , Wikimedia Commons

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They Couldn’t Quell The Growing Fire

It is suspected that an oil take was ruptured, which merely served to fuel the fire and give it an “oily” appearance. The officers struggled to contain and control the raging flames, but the incendiary scene was made worse by what the carrier contained.

File:USS Ommaney Bay (CVE-79) burning 1945.jpgUSN, Wikimedia Commons

She Had Support

Luckily, the “Big O” wasn’t alone. Other ships had been set in transit alongside the carrier, and they responded to the cries for help and came to put out the fires. To their misfortune, it wasn’t enough to save the carrier.

File:OmmaneyBayKamikazeAftermath.jpgU.S. Navy, Wikimedia Commons

More, Smaller Incidents Made Everything Worse

The heat was causing rounds stored in the hangar deck and in the planes to go off. This made fighting the fires even more dangerous for the officers aboard the USS Ommaney Bay. Even with the help of other ships, the situation was dire.

File:US Navy 030320-N-9228K-002 Joint Direct Attack Munitions (JDAM) sit on the mess decks in temporary storage prior to being moved to the flight deck to be loaded onto awaiting air wing aircraft.jpgU.S. Navy photo by Photographer's Mate 3rd Class Michael S. Kelly., Wikimedia Commons

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A Failed Attempt At Further Aid

Another ship, the Bell, tried to navigate around the carrier to help put the fires out but accidentally harmed part of the port side of the ship. Merely a half hour after the initial incident, the wounded crew members were evacuated from the ship. 

File:USS Bell (DD-587) off Charleston SC in June 1943.jpgCobatfor, Wikimedia Commons

The Fires Couldn’t Be Stopped

By 6 pm, the heat on the top deck was so intense that any attempts to put out the flames were useless. There was a desperation to put them out, though, as within the ship, massive torpedoes were at risk of going off. 

File:Uss Ommaney Bay.jpgNaval History & Heritage Command , Wikimedia Commons

Sailors Had To Flee

The officers of the USS Ommaney Bay didn’t know what they would do until Admiral Jesse B Oldendorft gave this order. He ordered those on the USS Ommaney Bay to abandon the ship. Captain Young was the last to escape the burning ship at 6:12 pm.

File:Jesse Oldendorf.jpgU.S. Navy, Wikimedia Commons

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The Ships Around Her Were Also In Danger

Mere minutes later, the torpedoes stored in the back of the ship went off. The force of their detonation collapsed the flight deck and sent wreckage flying through the air onto the nearby ships. Two crew from the Eichenberger were struck by the debris, adding their lives to the list of casualties.

File:USS Eichenberger (DE-202) off Charleston, South Carolina, circa in 1943 (NH 81346).jpgUnknown authorUnknown author, Wikimedia Commons

Survival Was Uncertain

One of the officers ordered to abandon ship was Joe Cooper, who tells the story of floating amidst the wreckage and the flames, hoping desperately no sharks would emerge to consume him. It took over four hours for someone to rescue him.

Officer Joe Cooper Joe Cooper USS Omaney Bay, Andrew Biggio

The Ship Was A Major Danger To Those In The Area

The USS Ommaney Bay continued to burn, sending huge plumes of smoke and orange flames into the sky. Around 8 pm, the carrier was deemed unsalvageable and the USS Burns, who had initially come to help, set off a single large round to sink her. 

File:USS Burns (DD-588) at sea c1945.jpgUSN, Wikimedia Commons

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They Had Already Guessed At Where The Site Was

In 2023, two Australian diving teams in the Sulu Sea found the wreck. Retired Rear Admiral Samuel J Cox stated that the site had already been located, and with no other carriers located nearby, it was fairly certain it was the USS Ommaney Bay. The diving teams were able to confirm, without a shadow of a doubt, that the wreck was the carrier.

File:SECNAV Celebrates Navy's 246th Birthday 211013-N-OL781-1036.jpgU.S. Navy, Wikimedia Commons

Someone Found It First

Apparently, the sunken ship was initially found in 2019 by Paul Allen’s team. He and his Vulcan search team have located many sunken WWII vessels, including the USS Ommaney Bay. But they couldn’t confirm the details without corroborating evidence.

Microsoft co-founder Paul Allen discusses his new memoir Kim Kulish, Getty Images

They Needed Confirmation

This is when the Sea Scan Survey and DPT Scuba firms came into the picture. The teams had to dive deeper than 100 meters to survey the wreck, now covered in a veritable ecosystem of sea flora and fauna. 

File:Stereo BRUVS in action at Rheeders Reef P2277038.JPGPeter Southwood, Wikimedia Commons

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With The Scans Completed, The Diving Began

The Sea Scan Survey team had done their dives in 2020, and they were able to scan the site. Unfortunately, the pandemic shut down operations before the DPT team could follow up on what the scans showed. It was at least another year before anything significant came to the surface.

File:Diver swimming a transect for Reef Life Survey PB164699.JPGPbsouthwood, Wikimedia Commons

Science-Fiction Technologies 

The DPT team, consisting of six divers, used rebreathers to recycle the oxygen they used, alongside photography technology that allowed them to photograph the wreck underwater. They utilized special working rotations to keep everyone safe and their supplies intact.

File:Trevor Jackson returns from SS Kyogle.jpgDr Lyn Turner, Wikimedia Commons

Dedication To Capturing As Much As Possible

It took about 20-25 minutes to reach the wreck, and the DPT team spent about four hours each day submerged. To hasten their dive time and to waste less oxygen while moving around the wreck, they used DPVs—diver propulsion vehicles.

File:Gavin scooter dab.jpgMatthew Hoelscher from Doral, FL, USA, Wikimedia Commons

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The Navy Could Finally Confirm Their Suspicions 

They scoured the wreck and found enough evidence to send to the US Naval History and Heritage Command’s Underwater Archeology Branch. There, they firmly established that it was the site of the sunken USS Ommaney Bay.

The Fujikawa Maru in Truk LagoonLegis, CC0, Wikimedia Commons 

The First Witnesses Since The Original Destruction

The DPT divers were the first to ever see the wreck after it sank. As the location had been a closely kept secret since the incident, few others even knew where the ship was. David Tipping, a diver on the expedition, said, “...it was quite confronting to see the extent of the damage”.

 DPT diversTruk 2019 short, DPT Scuba

A Reminder Of What Was Taken

Tipping also noted that seeing the ship was “a poignant reminder that the 95 US sailors lost their lives in service to their country”. The true extent of the damage is yet to be seen, as the carrier sank while still aflame, though it’s easy to assume that it's more extensive than we know.

A sunken shipwreck in Naxos, GreeceSven Hansche, Shutterstock

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Targets For Nefarious Individuals

Knowing the location of the lost carrier is vital to keeping it safe. Often, sunken ships of this ilk are the targets of scrap metal hunters. Having the location allows the US Navy to ensure no one is targeting the ship—especially since the ship isn’t just a site of lost resources.

File:Aerial bow view of George Washington Carrier Strike Group in formation for photo exercise 060429-N-9621S-014.jpgU.S. Navy photo by Photographer's Mate 3rd Class Christopher Stephens, Wikimedia Commons

An Eternal Monument

There were 95 casualties from the day the carrier sank. Much like other sunken ships, the USS Ommaney Bay functions as a grave for those lost during the conflict. Cox stated in an interview that “these wrecks are war graves…the ship is considered by the Navy a fit and final resting place for the sailors who went down with it”. 

File:Liberty party returns to USS Casablanca (CVE-55) off Manus on 19 April 1945 (80-CASA-618).jpgPhoM1c R.W. Mowday, USN (USN photo 80-CASA-618), Wikimedia Commons

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