GRISSOM AIR RESERVE BASE, Ind. -- A flashing red light alerts visitors to the command post that command and control technicians are only to be bothered in an emergency. To fulfill their mission, controllers must all be proficient in four core functions, which include tracking aircraft, reporting critical incidents, emergency notification and message processing. (U.S. Air Force photo/Tech. Sgt. Mark R. W. Orders-Woempner)
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