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ATSO training


Airmen participate in ATSO training

Members of the 66th Security Forces Squadron prepare their chemical protective suits during a training exercise at Hanscom Air Force Base, Mass., Nov. 2. The training, known as the ability to survive and operate, or ATSO, prepares Airmen to operate successfully in an environment while wearing chemical protective suits. (U.S. Air Force photo by Mark Herlihy)

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