Who's the boss: 39th MDOS welcomes new commander
Col. Christopher Estridge, 39th Medical Group commander, left, passes the guidon to Lt. Col. Dana Adrian, 39th Medical Operations Squadron incoming commander, during the change of command ceremony June 7, 2019, at Incirlik Air Base, Turkey. The change of command is a military tradition held to allow all of the units to witness the formal change of authority. (U.S. Air Force photo by Staff Sgt. Matthew J. Wisher)

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Photo by: Staff Sgt. Matthew J. Wisher |  VIRIN: 190606-F-SS174-0031.JPG