 The alert commitment was increased to half the squadron's aircraft in 1962 and the four squadron pattern no longer met the alert cycle commitment, so the squadron was inactivated on 1 January 1962.The 6513th Flight Test Squadron (known as the "Red Hats") was activated at Edwards Air Force Base, California on 1 December 1977 as part of the USAF Flight Test Center.The squadron was assigned to Edwards, although it operated from Tonopah Test Range Airport, Nevada to perform technical evaluations of acquired Soviet Aircraft.