 The drones were operated primarily by the 3205th Drone Group, Eglin AFB, Florida.The last operational USAF B-17 mission was on 6 August 1959, when DB-17P 44-83684 (Originally a Douglas/Long Beach B-17G-90-DL) directed QB-17G 44-83717 which was expended as a target for an AIM-4 Falcon air-to-air missile fired from an F-101 Voodoo, near Holloman AFB, New Mexico.44-83684 arrived at Davis-Monthan AFB for storage a few days later.