Delivered to the USAF as 72-0286 in 1974. Later converted to a CT-43A. Registered as N99890 in 1986 then N57JE in 1987 for CIA operations. Returned to the USAF as 72-0286 in 1989 then to EG&G as N5177C in 1992 for operations from Las Vegas, NV. Stored at Davis-Monthan AFB, AZ in 2009 and scrapped in 2012.