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Chief Master Sgt. Joseph Caulfield, 105th AW command chief, prepares for a simulated gas exposure during a joint training, readiness exercise January 11-12, 2020, at Stewart Air National Guard Base, Newburgh, New York. Assisted by the NY Guard, participants were faced with multiple scenarios designed to test their ability to survive and operate (ATSO) in degraded environments. (U.S. Air Force Photo by SrA Jonathan Lane)
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