Staff Sgt. Alex Garviria and 2nd Lt. Rachel James work in the Global Strategic Warning and Space Surveillance System Center Sept. 2, 2014, at Cheyenne Mountain Air Force Station, Colo. Garviria is a 721st CS senior systems controller and James is the 721st CS crew commander. Airman 1st Class Krystal Ardrey

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Keywords: .., 30, 721st, air, airmen, cheyenne, command, communication, cyber, days, defense, force, military, mountain, space, squadron, stat, states, station, united, war