Gen. Martin E. Dempsey inspects the troops during an arrival and swearing-in ceremony at Fort Myer.
Chief of Staff of the Army Gen. Martin E. Dempsey inspects the troops during an arrival and swearing-in ceremony at Fort Myer, Va., on April 11, 2011. Dempsey was sworn in as the 37th Chief of Staff of the Army after Gen. George W. Casey Jr. retired earlier in the day.