Retired Air Force Gen. Mark Welsh, former chief of staff of the Air Force, addresses the National Guard Association of the United States 138th General Conference, Baltimore, Md., Sept. 11, 2016. ( Army National Guard photo by Sgt. 1st Class Jim Greenhill)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: air, association, chiefs, csaf, csaf-welsh, force, guard, jcs, joint, mark, military, national, ngaus, staff, states, united, usaf, welsh