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In early 1943, Grampus was assigned to lay mines and conduct patrol operations in waters near the Philippines as Japanese forces rapidly advanced through Southeast Asia. After completing part of her mission in the Luzon Strait area, the submarine was

USS Perch (SS-176) was a Porpoise-class submarine of the United States Navy that served in the early months of World War II in the Pacific. In March 1942, during the Allied effort to slow the Japanese advance in Southeast Asia, Perch was operating ne

One of The Lost 52 Project’s discoveries- USS Grayback, one of the most successful submarines of the war, was a Tambor-class submarine launched on January 31, 1941 and was under the command of Lieutenant Commander John Anderson Moore. She made

The Amberjack was known to have sunk 3 enemy ships, including a 5,000-ton freighter on her final patrol. She also accounted for more than 14,000 tons worth of damage to two others. She was known to be very successful in her reconnaissance of several

While on her first war patrol in the Pacific in early February 1942, Shark made her last radio reports and then was never heard from again. Post-war records suggest that on 11 February 1942 she was sunk by Japanese anti-submarine forces (including gu

On February 4, 1945, the U.S. Navy submarine USS Barbel (SS-316) was lost.
While on her fourth war patrol in the South China Sea near the southern entrance to Palawan Passage, she reported multiple attacks by enemy aircraft. Japanese records indicat

The Argonaut, a large “cruiser submarine” built in the 1920s. She served in the Pacific during World War II and in in 1942, she carried Marine Raiders for the Makin Island raid, one of the earliest U.S. special‑operations submarine missi

The USS Swordfish (SS-193), a Sargo-class submarine of the U.S. Navy, was lost during her thirteenth war patrol in early January 1945. The exact day and cause of her sinking remain uncertain, but her loss likely occurred around January 12, 1945, off

USS S-36 (SS-141) was lost when she ran aground on Karang Takabakang (also known as Taka Bakang Reef) in the Makassar Strait, west of Southern Celebes on January 20, 1942. No men were lost in the grounding of S-36. However, one man who had been left

After completing three successful patrols, Scorpion departed Pearl Harbor on December 29, 1943, bound for her patrol area in the East China Sea, near Nansei Shoto (the Ryukyu Islands). She was scheduled to arrive in her area around January 5, 1944, a

The Corvina departed Pearl Harbor on November 4th and was heading toward Truk for surface operations. She was reported to have passed to the command of Commander Task Force Seventy-Two and proceeded to an eastern Australian port for refit and duty i

The Escolar was a Balao-class U.S. Navy submarine, commissioned on 2 June 1944. After training at Pearl Harbor, she departed on her first war patrol on 18 September 1944. On 30 September 1944, while estimated north of the Bonin Islands, Escolar sen

The Escolar was a Balao-class U.S. Navy submarine, commissioned on 2 June 1944. After training at Pearl Harbor, she departed on her first war patrol on 18 September 1944. On 30 September 1944, while estimated north of the Bonin Islands, Escolar sen

During her tenure, the Albacore was successful in destroying many enemy vessels. Enemy information available now indicates that Albacore perished by hitting a mine. The explosion occurred on 7 November 1944, in latitude 41°-49'N, longitude 141&d

Lost 52 Project Honors Our Veterans
On this Veterans Day, the Lost 52 Project proudly recognizes the extraordinary courage and sacrifice of all who have served in the United States Armed Forces. We honor the memory of the brave submariners and servic

The Lost 52 Project was founded in 2015 with ocean explorations searching for WWII submarines and their entombed crews. Our teams have utilized the most technologically advanced underwater robotics and comprehensive search grids. To date, we have dis

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