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An electrician crew assembles a conduit line for the new solar array being installed at Hill Air Force Base, Utah, Dec. 14, 2018. The new array will increase the amount of renewable solar energy on base and provide an additional asset that will be incorporated into future micro grid planning. (U.S. Air Force photo by R. Nial Bradshaw)

Photo by: r. nial bradshaw |  VIRIN: 181214-F-OD616-0001.JPG