 The aircraft was retired to the then MASDC on 26 June 1972 and remained at the AMARC or AMARG until May 2011.The aircraft was then dismantled and trucked to Sierra Nevada Corporation (SNC) at Centennial Airport, Colorado where it was refurbished to flying condition and flown to Ellington AFB on 9 August 2013.The aircraft was turned over to NASA and re-designated NASA 927.