DSRV Mystic

Deep submergence rescue vehicle (DSRV) Mystic provided rapid-response submarine rescue capability to the U.S. Navy from 1970 to 2008. In the event of a submarine accident, Mystic or her sister submersible Avalon could be deployed rescue survivors anywhere in the...

Sealion II (SS 315) Battle Flag

Submarine battle flags emerged during World War II as a way of marking the number of enemy ships a submarine sank. The designs and symbols used in these unofficial records varied, as each battle flag was individually sewn by the crew of a particular submarine. Most...

USS Sturgeon (SSN 637) Sail

Sturgeon-class submarines were the workhorses of the Submarine Force during the Cold War. These fast attack submarines conducted surveillance and reconnaissance (intelligence gathering) missions, took part in battle and strike group operations, and provided precision...

JIM Suit

Most diving suits are ambient pressure (“soft”) suits that protect their wearers from the cold and surrounding environment, but not from the pressure of the water. At extreme depths, an atmospheric pressure (“hard”) suit maintains surface pressure internally,...

MK V Diving Rig

The Mark V diving rig was used by the U.S. Navy for deep sea and salvage diving from 1916 through the early 1980s. Designed for intensive diving operations and to provide maximum physical protection, the Mark V allowed divers to work at much deeper depths than had...