Lt. Col. Maureen Williams, 628th Aerospace Medicine Squadron commander, takes the guidon from Col. Margret Jones, 628th Medical Group commander during the squadron's change of command ceremony June 9, 2015 at the Charleston Club on Joint Base Charleston, S.C. Williams' previous assignment was at Offutt Air Force Base, Ne. Lt. Col. Ray Clydesdale, the outgoing squadron commander is headed to Ft. McNair in Washington, D.C. where he will attend the Eisenhower School for National Security and Resource Strategy. (Courtesy photo / 628th AMDS)