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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
VIRIN: 231115-F-DT423-1050.JPG
FULL SIZE: 4.77 MB
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This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit. Further, any commercial or non-commercial use of this photograph or any other DoD image must be made in compliance with guidance found at https://www.dimoc.mil/resources/limitations, which pertains to intellectual property restrictions (e.g., copyright and trademark, including the use of official emblems, insignia, names and slogans), warnings regarding use of images of identifiable personnel, appearance of endorsement, and related matters.