Survive & operate - Gear up
Airman 1st Class Jeffery Welch, 96th Security Forces Squadron, receives some water from his canteen while wearing his M50 gas mask during a chemical, biological, radiological, nuclear and explosive exercise at Eglin Air Force Base, Fla., Feb. 1. The exercise evaluated 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.)

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Photo by: Samuel King Jr. |  VIRIN: 180201-F-OC707-0117.JPG