RAF Mildenhall Air Fete 1978. Operated by 79th AEWCS - 915th AEWG - AFRES. Built as an RC-121D and redesignated to an EC-121D in 1962. Later converted to an EC-121T. This aircraft was on a final visit to Mildenhall and was WFU at Davis Monthan on 19 Sept 1978. To DMI Aviation at Tucson, AZ on 15 Feb 1984.