Defenders and good will ambassadors
Master Sgt. Thomas Carpino, 455th Expeditionary Security Forces Group bravo sector superintendent, patrols the area outside an entry control point at Bagram Airfield, Afghanistan, Dec. 2, 2012. 455 EFSG teams patrol the base perimeter looking for suspicious activities while local Afghan civilians arrive to receive basic medical care. (U.S. Air Force photo/Senior Airman Chris Willis)