Delivered to US Navy as 143203 on 20 May 1957. To AEW MATRON 2, Barbers Point later to AEW BARBON PAC, Barbers Point 1960. Re-designated EC-121K in 1962. Eventually rebuild to EC-121P. Transferred to Davis Monthan for storage 15 August 1965. Flown to Ontario, CA, 1967 and converted by Lockheed Aircraft Service (LAS) to EC-121R for US Air Force as 67-21485.
553 Reconnaissance Wing, Korat. 67-21485 seen on duty during 1968, Zoggavia Collection.
Scrapped at Davis Monthan May 1973.
67 - March 71
Transferred to MASDC, Davis Monthan, for storage 30 March 71. Scrapped by May 1973.
Photo taken MASDC, in April 1971, Zoggavia Collection.