The 3205th Drone Group is a discontinued United States Air Force unit that operated obsolete aircraft during the 1950s as radio-controlled aerial _targets for various tests. It was the primary post-World War II operator of surplus Boeing B-17G Flying Fortress aircraft, and also operated Lockheed F-80 Shooting Star and a few Boeing RB-47 Stratojet bombers that were converted into drone aircraft during the early years of the Cold War. It was last active with the Air Proving Ground Center, based at Eglin Air Force Base, Florida, where it was discontinued on 1 February 1961.