Delivered to the US Navy as 131597 in 1953. To the USAF as 51-17647 in 1958 then back to the US Navy as 131597 in 1964. Stored at Davis-Monthan AFB in 1985. Sold as N21780 then reregistered as N1597F in 1990. Crashed while attempting to land at Patriot Hills, Antarctica in poor weather in 1993.

Parked here on "Celebrity Row" at AMARC but later sold as N1597F. This aircraft was written-off on 26 November 1993. It crashed while attempting to land in poor weather at Patriot Hills Antarctica. Thankfully the eight people on board did not suffer any significant injuries. The aircraft's name "Nancy" was in honour of the wife of Rear Admiral Clinton Taylor, the Commander of US Navy South Atlantic Forces in the early 1980s.

Loaned to USAF as C-118A 51-17647. Returned to USN. Converted to R6D-1Z and redesignated VC-118B in 1962. Sold on civil market and registered Jan 1990 to American Air Freight Co, Inc as N21780. Registered N1597F at a later time. Destroyed when missed runway on landing at Patriot Hill, Antarctica Nov 26, 1993.