Miller-Dunn Divinhood Helmet
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. Compared to cumbersome closed systems like the Mark V, open helmets were light and simple to…

Diving Helmet (Mark V)
MK V Diving Helmet 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 and deep sea work.…