Survive & operate evaluation: faces of the force
Staff Sgt. Christopher Coley, 96th Logistics Readiness Squadron, stands guard at a corner perimeter during a chemical, biological, radiological, nuclear and explosive exercise at Eglin Air Force Base, Fla., Nov. 7. The Air Force Materiel Command evaluation exercised the Airmen’s ability to meet wartime and contingency taskings of employing and sustaining the force and the ability to survive and operate. (U.S. Air Force photo/Samuel King Jr.)