U.S. Air Force Staff Sgt. Clifford Sisk, 82nd Expeditionary Rescue Squadron drop zone control officer, watches an aircraft overhead Sept. 12. As a DZCO, Williams advises the pilot of current wind speed and direction as well as clearing airdrops of pararescuemen. Williams is deployed from Moody Air Force Base, Ga.
DZCO
Taken on 12 September 2010
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