6/29/2012 - Col. Paul Skala, 325th Medical Group commander, passes command of the 325th Medical Operations Squadron to Lt. Col. Lionel Lyde during a change of command ceremony June 29. Lyde assumes command of the 325th MDOS from Lt. Col. Kevin Poitinger. He arrived at Tyndall from Joint Base Langley-Eustis, Va., where he served in the 633rd Medical Group as the multi-service flight commander. (U.S. Air Force photo by Lisa Norman)