Pennsylvania Air National Guard members from the 171st Air Refueling Wing volunteer to wash aircraft displays here on base September 8, 2013. ( Air National Guard Master Sgt. Stacey Barkey

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Size: 1940px × 1289px
Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, airforce, force, military, states, united, usa