Mr. David Shaw, 50th Civil Engineering Squadron power support systems supervisor, dons protective equipment required for his work inside the Central Utility Plant on Schriever Air Force Base, Colo., Sept. 5, 2014. Shaw leads a team of operators to provide backup power for critical Schriever missions in the event of commercial power failure. (U.S. Air Force photo by Airman 1st Class Krystal Ardrey)
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