The story of Navy divers, and their training. See some of "Hell Week", and the dive tower. See the Pirelli lung in use, and the aqualung. See the St. Thomas open water training, first with short, shallow swims to get used to compass course underwater swimming, always in pairs, and with vigilant safety observer on top. Learn some of the operational details for operation from submarines. Join some of our frogmen on leave, touring the island, and doing a little spearfishing, then back for more training.
Sound, B&W

History of the early attempts at underwater operations. Learn some of the operations that can be carried out while in the dive gear. See the calculations for determining the pressure endured by the divers. Watch some candidates in the pressure chamber undergo about 4 atmospheres. Learn about the physical and psychological effects of a deep water dive, including the collapse of eardrums from pressure, and the bends.
Sound, Color