Members of the 1st Battalion, 222nd Aviation Regiment, H Company stand at parade rest before the change-of-command ceremony at Fort Eustis, Va., July 20, 2012. Traditionally, a change-of-command ceremony represents the formal transfer of authority from one unit’s commanding officer to another, ensuring the unit and its Soldiers are never without leadership. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)