Avenged Sevenfold was released on October 31, 2007.
The 3205th Drone Group is a discontinued United States Air Force unit .. United States Air Force. United States Air Force. 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 .. Air Proving Ground Center. Air Proving Ground Center. Eglin Air Force Base. Eglin Air Force Base. A notable moment in the Group 's history is that a Douglas DB-17P -LRB- Formerly B-17G-90-DL -RRB- 44-83684 of the unit 's 3225th Drone Squadron flew the last operational mission by a USAF Flying Fortress on 6 August 1959 .