373rd TRS Det. 2 missile maintenance training
Airman 1st Class Darby Perry, a missile maintenance Airman going through initial qualification training at the 373rd Training Squadron Detachment 21, performs a launch tube heater control functional check at Francis E. Warren Air Force Base, Wyoming, Feb. 26, 2018. The launch tube heater ensures a motor doesn't burn up, which could cause equipment failure in a missile launch facility. Detachment 21, which was stood up by the 982nd Training Group at Sheppard Air Force Base, Texas, has been providing formal training since the beginning of 2017 after Air Education and Training Command and Air Force Global Strike command determined that was the best platform to prepare Airmen for work in the field. (U.S. Air Force photo by John Ingle)

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Photo by: John Ingle |  VIRIN: 180226-F-TH920-0797.JPG