EVACUATION EXERCISE U.S. Army soldiers carry a casualty to be loaded onto a Black Hawk helicopter during an air medical evacuation exercise on Fort Hood, Texas, July 24, 2008. The soldiers are assigned to the 1st Cavalry Division's 4th Squadron, 9th Cavalry Regiment. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 895581-A-KDO22-024.jpg Photo Gallery