DJIBOUTI EXERCISE U.S. Marines provide cover fire during a downed-vehicle exercise on Arta Range, Djibouti, Nov. 5, 2013. The Marines trained to suppress fire, tow a downed vehicle, evade enemy contact and perform combat lifesaving skills. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 445892-Z-RUF00-180.jpg Photo Gallery