341 CES Emergency Management hosts CBRN response capabilities sh
A historical evolution of protective masks is displayed in a chemical, biological, radiological, and nuclear training classroom at Malmstrom Air Force Base, Montana, Nov. 15, 2023. The M-51 and M-53, not shown, are the current protective masks used by U.S. joint service members. (U.S. Air Force photo by Staff Sgt. Elora J. McCutcheon)
PHOTO BY:
Staff Sgt. Elora J. McCutcheon
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