Lt. Col. William Young, center, stands before the 72nd Aerial Port Squadron prior to relinquishing command Feb. 10, 2019, at Tinker Air Force Base, Oklahoma. Col. Richard Ropac, left, 507th Mission Support Group commander, transferred the guidon to new commander, Lt. Col. Darryl McLean, moments later.

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Keywords: 507arw, 72aps, afrc, afreserve, airmen, archive, armed, change, citizen, command, defence, forces, military, okies, reportage, reserve, servicemen, tinkerafb, usa, usaf