SEALs and divers from SEAL Delivery Vehicle Team (SDVT) 1 swim back to the guided-missile submarine USS Michigan (SSGN 727) during an exercise for certification on SEAL delivery vehicle operations in the southern Pacific Ocean. The exercises educate operators and divers on the techniques and procedures related to the delivery vehicle and its operations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Kristopher Kirsop/Released)
USS Drum - Launched on May 12, 1941, this was the first of the Gato class submarines completed before World War II. It represents what was the standard design for American fleet submarines at the beginning of that war. The USS Drum sank fifteen Japanese ships and earned twelve battle stars
U.S. Naval Submarine Base, Groton, CN Launching of a ballistic missile submarine. USS George Washington (SSBN-598) The lead ship of her class of nuclear ballistic missile submarines, was the third United States Navy ship of the name, in honor of George Washington (1732–1799), first President of the United States, and the first of that name to be purpose-built as a warship.
The Typhoon-class submarine is a ballistic missile-carrying, nuclear-powered submarine (SSBN) deployed by the Soviet Navy in the 1980s. With a displacement of up to 48,000 tons, the Typhoon is the largest submarine class in the world ever built.