Submarines were critical to Allied success in World War II, and played a role in disabling the Japanese Navy and Japanese merchant ships. Learn about the modern (USS Finback, USS Grunion, USS Triton III, USS Tuna II), and not-so-modern submarines (S-27 and S-32) that patrolled the Aleutian Islands.
Source: U.S. Department of the Interior, National Park Service
