In 1917, two US submarines collided off the coast of San Diego and submarine USS F-1 sank to the bottom of the Pacific Ocean, ...

On April 6, 1945, the massive Japanese battleship Yamato, the largest and most heavily armed warship ever built, departed from Yamaguchi Prefecture on a desperate, one-way mission to Okinawa. As ...

Authorities investigating the implosion of an experimental submersible on its way to the Titanic wreckage in 2023 have ...