Delivered to USAF as 54-177 03/56.Retired and flown to Davis Monthan AFB for storage 11/77.Intended for Classic Air 08/81,but failed to get FAA approval.Darryl Greenameyer offered for sale 1987 but failed to reach reserve price.He traded this aircraft to Smithsonian NASM for 2 HU-16 Albatross a/c in 1988.Std at Dulles Airport awaiting restoration for display at the NASM's Udvar-Hazy Center
