Airman Keyonna Davis (left), 916th Maintenance Squadron, gets assistance from Airman Kiana Ward (right), 916th Aerospace Medicine Squadron, on how to properly put on her mask at Seymour Johnson Air Force base in June. Mask fit test are done by Airmen annually and a Portacount, a protection assessment test instrument, is used to test the durability of the gas ( Air Force photo by Tech. Sgt. Terrica Y. Jones)

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Photo credit: © PJF Military Collection / Alamy / Afripics
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Keywords: 916th, afb, air, arw, exercise, force, johnson, refueling, seymour, wing