To MASDC May 4, 1965. She was returned to USAF service on 23 April 1970. Put on display at NAS JRB Forth Worth, Texas. Purchased by a private party in December 2001 and trucked to Colorado Springs, Colorado, and used as a restaurant.
Served within USAF until 1978. Became N49548 and was delivered in October 1984 to Paris-le Bourget for conversion by UTA to Guppy 201 but conversion was not undertaken and the aircraft was loaned to Musee de l'Air. Finally given to a local air museum in Nancy, France. Unfortunately scrapped when the museum went bankrupt in 2004. Only tail is preserved at Zruc airpark in Czech Republic.