Air Force Brig. Gen. Mark Kelly, 455th Air Expeditionary Wing commander, pins a Bronze Star Medal to outgoing 455th Expeditionary Medical Group commander Air Force Col. Gary Walker’s lapel during the 455 EMDG change of command ceremony March 13, 2015 at Bagram Air Field, Afghanistan. Concluding a yearlong tour, Walker relinquished command of the group to Air Force Col. Gianna Zeh deployed from Eglin Air Force Base, Fla. Staff Sgt. Whitney Amstutz/released)

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Photo credit: © PJF Military Collection / Alamy / Afripics
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Keywords: 455th, afghanistan, air, airfield, airforce, bagram, base, commander, eglin, expeditionary, florida, force, group, medical, military, states, united, usa