Army Chief of Staff Gen. George W. Casey Jr., left, and Sgt. Maj. of the Army Kenneth O. Preston, salute the gravesite of a former chief of staff of the Army after presenting a wreath at Gen. Omar Bradley's gravesite on the Army's 235th birthday in Arlington National Cemetery, Va., June 14, 2010. Army Chief of Staff Gen. George W. Casey Jr., left, and Sgt. Maj. of the Army Kenneth O. Preston, salute the gravesite of a former chief of staff of the Army after presenting a wreath at Gen. Omar Bradley's gravesite on the Army's 235th birthday in Arlington National Cemetery, Va., June 14, 2010. SHARE: Download: Full Size (2.82 MB) Tags: Photo Essays Credit: VIRIN: 069496-D-BCJ61-460.jpg Photo Gallery