Keywords: HH-3A HC-7 practicing rescue of aviator.jpg A U S Navy Sikorsky HH-3A Sea King BuNo 147144 from Helicopter Combat Support Squadron HC-7 Sea Devils practicing the rescue of a downed aviator HC-7 helicopters in combat were fully camouflaged 147144 was a former XHSS-2 prototype later used as an RH-3A minesweeping helicopter see towing gear HC-7 was active in Vietnam from 1967 to 1973 U S Navy Naval Aviation News http //www history navy mil/nan/backissues/1970s/1972/Oct72 pdf October 1972 p 24 ca 1967 USN PD-USGov-Military-Navy HH-3A Sea King Helicopter Combat Support Squadron 7 United States Navy |