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Russell Mullins, 721st Communications Squadron deputy director and 30-year mountain veteran, stands in front of Cheyenne Mountain Air Force Station, Colo., Sept. 2, 2014. Cheyenne Mountain AFS is the hub of the Integrated Tactical Warning and Attack Assessment weapon system which operates, maintains, secures, sustains, mobilizes, tests, and controls the worldwide warning and surveillance system for North America. (U.S. Air Force photo by Airman 1st Class Krystal Ardrey)
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