Eric Brewer, 341st Civil Engineer Squadron power support systems mechanic, works on a launch facility emergency generator March 7, 2017, at Malmstrom Air Force Base, Mont. Brewer is tasked with tearing down and rebuilding the emergency generators, sometimes even from scratch. (U.S. Air Force photo/Airman 1st Class Daniel Brosam)

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Photo by: Airman 1st Class Daniel Brosam |  VIRIN: 170307-F-DB969-0016.JPG