Airman 1st Class Chelsey Tulip, an emergency management apprentice with the 140th Civil Engineer Squadron, secures and tests out her mask during a hazardous materials and emergency management exercise on Buckley Air Force Base, Colo., March 24, 2021. During the exercise, Airmen were equipped with a self-contained breathing apparatus which provided them oxygen while wearing their level A hazmat suits.

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Size: 1938px × 1289px
Photo credit: © Operation 2021 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: exercise, gear, hazard, hazardous, material, oxygen, training