Pfc. Brent Benbow, an infantryman with Delta Company, 1st Battalion, 3d U.S. Infantry Regiment (The Old Guard), kneels in front of a gravestone to photograph the front and rear of a tombstone in Arlington National Cemetery, Va., Dec. 15, 2011. Benbow is a part of Task Force Christman, after Pvt. William Christman, who was the first Soldier buried in the cemetery. Task Force Christman's mission is to photograph and document every tombstone, grave marker and cremation site in the cemetery. The detailed information will go into a large electronic database.