Airman 1st Class John Chaney, 22nd Civil Engineer Squadron electrical power production, uses the control panel to test road barriers, Jan. 7, 2016, at McConnell Air Force Base, Kan. Chaney worked with other 22nd CES Airmen to ensure all parts of the barriers work properly. (U.S. Air Force photo/Senior Airman Colby L. Hardin)
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