Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, and his wife, Deanie , attend change-of-command ceremonies for 3rd Cavalry Regiment's Regimental Support and Tiger squadrons at Cooper Field on Fort Hood, Texas, June 19, 2015. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, and his wife, Deanie , attend change-of-command ceremonies for 3rd Cavalry Regiment's Regimental Support and Tiger squadrons at Cooper Field on Fort Hood, Texas, June 19, 2015. SHARE: Download: Full Size (1.16 MB) Tags: Photo Essays Credit: VIRIN: 227288-X-ESK69-373.jpg Photo Gallery