Survive & operate evaluation: gear up
An Airman secures her gas mask before reentering a contaminated zone 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.)