![](http://www.alamy.com/thumbs/6/591F262D-B2A2-48AC-B95C-09921ED1C168/R7TJHB.jpg)
Air Force Staff Sgt. Stephans Doherty, 447th Expeditionary Aircraft Maintenance Squadron aircraft armament systems journeyman, sprays sealant onto the barrels of a GAU-8/A Avenger rotary cannon April 5, 2017, at Incirlik Air Base, Turkey. The barrels were sealed to prevent weathering during use.
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Photo credit: © Chuck Little / Alamy / Afripics
License: Licensed
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Keywords: -10, 447th, aeg, afcent, air, america, archive, armed, army, defence, eamxs, force, forces, ii, maintenance, military, navy, reportage, service, serviceman, servicemen, soldier, states, thunderbolt, united, usa, usafe