Built as an RC-121D and progressively updated as EC-121D, then EC-121H and finally EC-121T. Retired to MASDC in late 1978 by the Homestead AFB-based 79 AEW & CS, with 20980 hrs recorded. Later broken up - Photo taken at Tucson - Davis-Monthan AFB (Municipal) (DMA / KDMA) in Arizona, USA in October, 1979.