373rd TRS Det. 2 missile maintenance training
This diesel electric unit trainer at the 373rd Training Squadron Detachment 21 is used by instructors to show facility maintenance team Airmen how to perform maintenance tasks as part of their initial qualification training at Francis E. Warren Air Force Base, Wyoming. The detachment was one of three stood up by Sheppard Air Force Base, Texas, at the Air Force's three missile wings after it was determined formal, standardized training was needed to prepare missile maintenance Airmen for field duty. The DEU is a backup energy supply that kicks on should the commercial supply be disrupted. (U.S. Air Force photo by John Ingle)

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Photo by: John Ingle |  VIRIN: 180226-F-TH920-0807.JPG