inflation that converts to $72/hr in 2020. The qualification diver 2nd class paid $10 per month, salvage diver paid $12 per month, 1st class paid $15 per month. First class divers also drew "footage" of $15 plus $.05/ft at . Master divers drew $20 plus up to $10 "footage". A few months after Pearl Harbor Congress authorized a change so that divers were paid $5.00/hr for any dive certified "extremely hazardous". All dives to salvage ships at Pearl Harbor were given that designation. Post World War II At Operation Crossroads the Navy had qualified divers on multiple ships assigned to Task Unit TU 1.2.7 (salvage unit) of the Joint Task Force 1: , , , , , , , and . After the nuclear tests diving officers were tasked to take their teams to inspect wrecks, document the damage, recover scientific data from test stations, recover scientific instruments and do salvage as required. The Diving officers did written reports of all observations, C.2.9 identifies what was found on on 21 August 1947 with everything underwater photographed. was the only ship to be raised and recovered from the operation. The divers off the Widgeon and the Gypsy brought her up. Salvage of was attempted, but the sub was damaged beyond saving and stricken from the roles. Salvage of was started, but she was declared a loss. Divers carried a watertight Geiger tube that was monitored by their support crews so that they could be warned and retracted from radioactive hot spots. The Korean War brought development to USN diving. In October 1950 struck a mine in Wosan harbor and sank. A UDT diver using an Aqualung located and marked the ships location for surface supported hard hat divers to return and destroy the classified materials on board. That was the first tactical use of scuba gear by the U.S. Navy. For the UDTs it marked a transitional change in their mission model and for the Navy it changed thinking of diving as a solely non-combat task. The United States Navy Experimental Diving Unit is located at Panama City, Florida. There unit is composed of 120 service personnel drawn from numerous components of the Navy. It is their job to execute the U.S. military's special diving tasks like saturation diving. During the 1960s the Navy had divers involved in two submersed projects, Tektite and SEALAB I, II, and III. On 28 January