Since 2000, at least 14 expedition crews have unsuccessfully tried to find the final resting place of the HMS Trooper, but the ill-fated World War II submarine has finally been located.
Twenty years ago, Alice Smith began the hunt for the forgotten Civil War-era submarine Alligator Jr., the prototype for the first United States submarine USS Alligator. Both were designed by ...
A high point for the Sealion and the US Navy would occur about about two months later when they caught ... The Sealion would become the only submarine to sink a military ship in World War II, he said.