Chris Durben, Simpsons Electric contractor, modifies a clamp for the fire alarm system in the Trail’s End Event Center on F.E. Warren Air Force Base, Wyo., Dec. 7, 2015. Contractors officially began construction in late September 2015 and were given 280 days to complete the renovation. (U.S. Air Force photo by Airman 1st Class Malcolm Mayfield)
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