JOINT BASE CHARLESTON, S.C. –
Col. Randall Lambert, left, 628th Medical Group commander, passes the guidon to Lt. Col. Christine Smetana, right, 628th Medical Operations Squadron incoming commander, during the 628th MDOS change of command ceremony at Joint Base Charleston, S.C., July 14, 2017. The squadron bid farewell to the outgoing commander Lt. Col. Brian Neese and welcomed Smetana as the new squadron commander.