Airmen participate in ATSO training

Airman 1st Class Michael Ionin, center, directs Airman 1st Class Joshua King, left, and Airman 1st Class Christopher Melo, all members of the 66th Security Forces Squadron, 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 before and after a chemical attack. (U.S. Air Force photo by Mark Herlihy)

PHOTO BY: Mark Herlihy
VIRIN: 171102-F-JW594-026.JPG
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