Airman Kiana Ward (left), 916th Aerospace Medicine Squadron, assists Airman Keyonna Davis (right), 916th Maintenance Squadron, with her mask fit test during a Unit Training Assembly exercise in June. Ward uses a Portacount, a protection assessment test instrument, to test the durability of the gas mask. The Portacount measures how much air is shielded from the mask to ensure no outside elements get into the mask. ( Air Force photo by Tech. Sgt. Terrica Y. Jones)

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Keywords: 916th, afb, air, arw, exercise, force, johnson, refueling, seymour, wing