60-6931 accrued 232 flights and 453 hours of flying time.
60-6931 was outfitted for operational use.
Following a one-hour-and-forty-minute, 3,000-mile flight mostly above Mach 3.1 in January 1965, 60-6931 first attained Mach 3 in March of the same year.
CIA Headquarters, McLean, VA
In 2006, amidst a storm of controversy, 931 was removed from the MNANG museum to be relocated at the CIA headquarters in Langley, VA. She was delivered in September 2007, and dedicated at a ceremony with several key figures in attendance, including A-12 pilot Ken Collins.