The 3rd United States Infantry Regiment commander of troops Col. Johnny K. Davis marches alongside 38th Chief of Staff of the Army Gen. Raymond T. Odierno during a march in review at the United States Army change of responsibility ceremony held at Summerall Field on Fort Myer, Va., Aug. 14, 2015. Odierno relinquished command of the Army to Gen. Mark A. Milley during the ceremony hosted by Secretary of the Army John M. McHugh. (DoD photo by Army Staff Sgt. Sean K. Harp/Released)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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Keywords: army, ceremony, change, cjcs, csa, field, milley, odierno, responsibility, retirement, secdef, secretary, summer, swear