BEALE AIR FORCE BASE, Calif. -- 2nd Lt. Suzanne Sparks, 7th Space Warning Squadron crew commander, demonstrates a mock missile detection sequence in the Missile Warning Operations Center at Beale AFB Nov. 6, 2011, as Gen. Mike Hostage, Air Combat Command commander and his wife, Kathy, look on. The 7th SWS, one of the 21st Space Wing’s geographically separated units, operates 24/7 and Airmen are responsible for sending event analysis information to the Missile Warning Center at Cheyenne Mountain Air Force Station within 60 seconds of the initial detection. (U.S. Air Force photo/John Schwab)