UH1H 66-16109 served in Vietnam from 1968 to 1971 with the 336th Assault Helicopter Company at Soc Trang Army Airfield in the Mekong Delta under the call sign "Super Slick." Its mission was night operations, and its armament included a mini gun, a 50 caliber weapon, three M60s, a xenon light, and flares. Its crew consisted of two pilots, two gunners, and one crew chief.