A1C Kory Caldwell, an Airman assigned to the 455th Expeditionary Security Forces Squadron keeps watch at a guard tower at Bagram Airfield Afghanistan, Aug. 18, 2012. Bagram’s large size and vital mission make it a strategic target for insurgents seeking to demonstrate capability, which is why the Airmen from 455 ESFS remain ever-vigilant against the threat of enemy attacks. (U.S. Air Force Photo/Capt. Raymond Geoffroy)
Senior Airman Chris Willis
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