FORT SHAFTER, Hawaii — It took Japanese torpedo bombers less than an hour to sink the battleship USS Arizona during the Dec. 7, 1941, surprise attack on Pearl Harbor. Salvaging the unrepairable ...

USS Downes, left, and USS Cassin in dry dock No. 1, at the Pearl Harbor Navy Yard, Hawaii on Feb. 5, 1942, while under salvage. Cassin has been righted and both ships are being readied for refloating.

The platforms were welded to the hull of the Arizona, which sits mostly below water in Pearl Harbor, during a lengthy salvage operation in the wake of the attack on Dec. 7, 1941.

The Navy tried and failed to salvage the sunken USS Utah in 1944. The hull of Pearl Harbor's "forgotten ship" is still there 81 years after it was sunk in the Japanese attack Dec. 7, 1941.

The USS Utah was hit by torpedo fire during Imperial Japan’s surprise attack on Pearl Harbor, and even though the Navy tried to salvage the USS Utah, it wasn’t to be. It remains one of two ...

After the attack, in 1942, mooring platforms were attached to the sunken ship to help with salvage operations of the ship's weapons and equipment to aid in the war effort after the U.S. joined ...

On Dec. 7, 1941, Japan conducted a surprise attack against the U.S. Pacific fleet anchored at Pearl Harbor. In total, 19 U.S. ships were crippled or destroyed, as well as over 350 aircraft. The ...

Warren Upton was the oldest Pearl Harbor survivor. He served aboard the USS Utah, the first ship sunk in the attack on Dec. 7, 1941.

David Walker was one of 103 sailors who died on the USS California on Dec. 7, 1941. Eight decades later the military verified his remains.

After the attack, in 1942, mooring platforms were attached to the sunken ship to help with salvage operations of the ship's weapons and equipment to aid in the war effort after the U.S. joined ...