Lt. Col. Darryl McLean, center, stands before the 72nd Aerial Port Squadron after being named their new commander Feb. 10, 2019, Tinker Air Force Base, Oklahoma. Col. Richard Ropac, left, 507th Mission Support Group commander, transferred the guidon to McLean from Lt. Col. William Young, right, after Young served as 72nd APS for nine years.

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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