Senior Airman Cordell Blair, 28th Civil Engineer Squadron electrical systems journeyman, works on a lamp at Ellsworth Air Force Base, S.D., Sept. 4, 2014. Blair and other Airmen from the electrical systems shop maintain, troubleshoot and repair various equipment throughout the base in order to maximize their life span. Between weather and general aging, the lamp posts can decay if made of wood, and rust if made of metal. (U.S. Air Force photo by Senior Airman Hailey R. Staker/Released)
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