U.S. Marines prepare to evacuate mock casualties during a training exercise. U.S. Marines with Military Police Company, Headquarters Battalion, 1st Marine Division prepare to evacuate mock casualties during a training exercise at San Mateo on Camp Pendleton, Calif., on Aug. 13, 2009. The Marines train for different scenarios in order to be combat-ready at all times. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 219115-I-DUF52-065.jpg Photo Gallery