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Airman 1st Class Zane Johnson, foreground, and Airman Rahim Moxley, 2nd Civil Engineer Squadron Electrical Power Production, attach cabling to a fuse box during the installation of a generator on Barksdale Air Force Base, La., May 14, 2013. Power production's responsibilities include maintaining backup generators and power facilities throughout Barksdale. (U.S. Air Force photo/Airman 1st Class Andrew Moua)