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Survive & operate

Survive & operate - Gear up

Airman 1st Class Jeremiah Harvey, 96th Security Forces Squadron, tightens his M50 gas mask during a chemical, biological, radiological, nuclear and explosive training exercise at Eglin Air Force Base, Fla., Feb. 1. The Airmen were taught the proper procedures during the week-long event before executing the tactics by themselves during the exercise. (U.S. Air Force photo/Samuel King Jr.)

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