Staff Sgt. Christina Howland, 434th Operations Support Squadron Aircrew Flight Equipment Non-commissioned officer in charge, assists Senior Airman Eric Davis, OSS AFE helper in a test ran on helmets at Grissom Air Reserve Base, Ind., September 23, 2017. The helmet, an HGU-55-B helmet is used by pilots in special situations to safely navigate the skies. ( Air Force photo/ Senior Airman Cali Wetli)

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Size: 1848px × 2784px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 434, 434arw, 434th, air, arb, arw, base, grissom, oss, refueling, reserve, wing