An electrician crew assembles a conduit line for the new solar array being installed at Hill Air Force Base, Utah, Dec. 14, 2018.. The system will use five large central inverters to convert the generated direct current power to useable alternating current power. The new system will provide maximum production to the base during peak electrical consumption periods. (U.S. Air Force photo by R. Nial Bradshaw)

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Photo by: r. nial bradshaw |  VIRIN: 190109-F-OD616-0001.JPG