![](http://www.alamy.com/thumbs/6/A421E4A6-357F-4FE7-BC2E-A29B8525A86D/PPD6J5.jpg)
Lt. Col. David Arriola promotes to the rank of Col. at Barksdale Air Force Base, La., August 30, 2018.
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Photo credit: © Bob Collet / Alamy / Afripics
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Keywords: afgsc, air, america, archive, armed, army, defence, force, forces, military, navy, promotion, reportage, service, serviceman, servicemen, soldier, states, united, usa