Finthen Army Airfield, 1971 (Source: Manfred Faber, Germany) Another UH-1B IROQUOIS gunship of "D" Troop, 3rd Squadron, 8th Cavalry in April 1971. This aircraft is equipped with the M-22 Armament Subsystem. (The AGM-22 missiles were a French design and deployed by the US Army on UH-1B's as an anti-tank weapon.)