Sgt. Claire O'Connor (left), speaks to noncommissioned

Sgt. Claire O'Connor (left), speaks to noncommissioned officers from the 200th Military Police Command at Arlington National Cemetery in Arlington, Virginia, Sept. 7, 2017. NCOs from the 200th MP visited the national cemetery as part of their monthly NCO professional development training. The visit included a guided tour of the grounds by an Arlington National Cemetery historian, who showed Soldiers how to use the ANC mobile app to locate specific tombs and biographies of individuals buried at ANC, and a viewing of the changing of the guard at the Tomb of the Unknown Soldier. (U.S. Army Reserve photo by Sgt. 1st Class Carlos J. Lazo)