U.S. Marines prepare to move an M777 howitzer in support of 3rd Battalion, 5th Marine Regiment during training exercise Enhanced Mojave Viper on Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., July 23, 2010. The Marines are assigned to Charlie Battery, 1st Battalion, 10th Marine Regiment. U.S. Marines prepare to move an M777 howitzer in support of 3rd Battalion, 5th Marine Regiment during training exercise Enhanced Mojave Viper on Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., July 23, 2010. The Marines are assigned to Charlie Battery, 1st Battalion, 10th Marine Regiment. SHARE: Download: Full Size (3.19 MB) Tags: photo essays Credit: VIRIN: 670019-G-FNH35-365.jpg Photo Gallery