Col. Tyler R. Schaff (left), 316th Wing and Joint Base Andrews commander, passes the guidon to Col. Jason J. Lennen as he assumes command of the 316th Medical Group, during a change of command ceremony at Joint Base Andrews, Md., July 16, 2020. The passing of the guidon symbolizes the relinquishment of command from Col. Vito S. Smyth, the outgoing commander, to the incoming commander.