Maj. Daniel Hale, a KC-135R Stratotanker pilot with the 191st Air Refueling Squadron, dons his aircrew eye and respiratory protection system (AERPS) equipment during training over a drill weekend at Roland R. Wright Air National Guard Base in Salt Lake City on Nov. 3, 2017. AERPS equipment consists of a rubber mask, multiple layers of boots and gloves, a fan filter system and an audio and speaker system. ( Air National Guard photo by Tech. Sgt. Amber Monio)

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Size: 4609px × 6907px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

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