Army Chief of Staff Gen. George W. Casey Jr. addresses the audience during a Medal of Honor ceremony for U.S. Army Staff Sgt. Robert J. Miller at the Pentagon, Oct. 7, 2010. Army Chief of Staff Gen. George W. Casey Jr. addresses the audience during a Medal of Honor ceremony for U.S. Army Staff Sgt. Robert J. Miller at the Pentagon, Oct. 7, 2010. SHARE: Download: Full Size (4.93 MB) Tags: Photo Essays Credit: VIRIN: 514583-E-RFT73-563.jpg Photo Gallery