Airman 1st Class Maxwell Dean, a material management apprentice with the 1st Special Operations Logistics Readiness Squadron, writes on a serviceable tag after testing a gas mask for leaks at Hurlburt Field, Fla., July 7, 2016. A serviceable tag is a record attached to a gas mask that informs material managers the date a mask was last tested. ( Air Force photo by Senior Airman Andrea Posey)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1, 1st, airman, gas, history, mask, people, posey, solrs, sow