The Ability to Breathe

Tech. Sgt. Daniel Lewis, a fuels systems specialist for the 128th Air Refueling Wing, performs a mask fit test at the 128th medical squadron’s biological engineering office on Saturday, October 1, 2011. The mask fit test measures the size of an assigned gas mask to ensure there is a proper seal when the mask is worn; an improper seal can expose an Airman to the harmful effects of an airborne chemical agent. U.S. Air Force photo by Staff Sgt. Jeremy Wilson.

PHOTO BY: Staff Sgt. Jeremy Wilson.
VIRIN: 111001-F-VV395-033.JPG
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