The 3246th Test Wing was a flight test component of the Air Proving Ground Center, later Armament Division, at Eglin Air Force Base, Florida, and was activated 1 July 1970 to provide weapon and countermeasures test duties.
This unit is notable for operating the last active-duty USAF F-4D Phantom II (66-8800), relegated to the Eglin target range in July 1992.
[1] Assigned to the 3246th Test Wing was the 3247th Test Squadron, which inherited F-4C/D/E and RF-4C Phantom II aircraft formerly assigned to the Air Proving Ground Center's 4533d Test Wing.
The 3247th aircraft carried AD and ET tail codes, and a white tailband with red diamonds.
This article incorporates public domain material from the Air Force Historical Research Agency