UNVEILING Army Chief of Staff Gen. Ray Odierno, left, Army Secretary John M. McHugh, Army Gen. Martin E. Dempsey and his wife, Deanie, unveil Dempsey's portrait during a ceremony in the Hall of Heroes at the Pentagon, Nov. 20, 2012. Dempsey, chairman of the Joint Chiefs of Staff, served as the Army's 37th chief of staff. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 696240-E-VNH09-852.jpg Photo Gallery