U.S. Army Lt. Col. Heidi Mon, McDonald Army Health Center commander, speaks to her new command during her assumption of command ceremony at Fort Eustis, Va., May 28, 2015. Before assuming command of MCAHC, Mon was previously the Evans Army Hospital troop commander in Fort Carson, Colo. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)