Airmen participate in ATSO training

Members of the 66th Security Forces Squadron enter a tent at Camp Patriot prior to participating in a training exercise at Hanscom Air Force Base, Mass., Nov. 2. The training included the ability to survive and operate, also known as ATSO, which prepares Airmen to operate in an environment while wearing chemical protective suits. (U.S. Air Force photo by Mark Herlihy)

PHOTO BY: Mark Herlihy
VIRIN: 171102-F-JW594-004.JPG
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