JOINT BASE ANDREWS, Md. -- Lt. Gen. Mark Ramsay, 18th Air Force commander, passes the 89th Airlift Wing guidon to incoming commander Col. Mike Minihan during a Change of Command ceremony here Feb. 10. The Change of Command ceremony marks a formal passing of responsibility, authority, and accountability of command from one leader to another. (U.S. Air Force photo/ Staff Sgt. Nichelle Anderson)