Submarines were a big part of the World War II effort, especially for the United States Navy. One sub, the USS Grayback, has a particularly devastating history.

The USS Grayback (SS-208) was lost on February 26, 1944. No one had seen it since, until a team of researchers discovered it in Japanese waters on June 5, 2019.

CAMARILLO, Calif. (KABC) -- The USS Grayback was one of the most successful American attack submarines in the Pacific Theater in World War II. When it sailed out of Pearl Harbor on it's 10th ...

The final resting place for a U.S. Navy submarine that sank the most Japanese warships in World War II has been found more than 80 years after it was sunk.

The final resting place for a U.S. Navy submarine that sank the most Japanese warships in World War II has been found more than 80 years after it was sunk.

In the 1960s, the USS Grayback, a formerly decommissioned diesel-electric submarine, was brought back into action to remedy the inefficiency.

Previous submarines found by the Lost 52 Project include the USS Grayback, the USS Stickleback, USS R-12, USS S-26, USS S-28 and the USS Grunion.

The final resting place for a U.S. Navy submarine that sank the most Japanese warships in World War II has been found more than 80 years after it was sunk.

Most of his active service years were aboard submarines. One was the USS Grayback 208 on which he made 9 war patrols and was awarded the Navy Unit Citation for sinking and damaging 32 enemy ships.

The final resting place for a U.S. Navy submarine that sank the most Japanese warships in World War II has been found more than 80 years after it was sunk.