Delivered to the USAF as 56-3996 in 1958. To the Royal Danish Air Force as GT-996 in 1974. To Flight Systems as N3251S in 1982 then to Tracor Flight Systems as N417FS in 1983, BAE Systems Flight Systems in 1991 and Big Sky Warbirds in 2003. Stored at Mojave, CA. Sold at auction for $64,000 in 2020. Had to be moved from Mojave after the auction. Cancelled from the register in 2021.