Mark V Diving Helmet
MK V diving helmet in the collection of the U.S. Naval Undersea Museum. The MK V’s iconic copper helmet has made it the best known and most recognizable of the Navy’s diving systems. The Navy used the MK V helmet and diving rig from 1916 and 1984 for salvage…

Atmospheric Diving Suit (JIM Suit)
JIM suit in the collection of the U.S. Naval Undersea Museum. An atmospheric diving suit (ADS) maintains surface pressure internally, protecting a diver from underwater pressure and eliminating the need for decompression. Treasure hunters developed early atmospheric…

Miller-Dunn Divinhood Style 3 Helmet
Miller-Dunn Divinhood Style 3 diving helmet in the collection of the U.S. Naval Undersea Museum. Navy divers used this open-bottom Miller-Dunn Divinhood Style 3 helmet during World War II to complete ship and equipment repairs in water less than 60 feet deep.…