Posted 4/7/2009
U.S. Marines fire a 155 mm Howitzer during Exercise Mojave Viper on Marine Corps Base Twentynine Palms, Calif., March 26, 2009. The Marines are assigned to the 3rd Battalion, 12th Marine Regiment. Mojave Viper is a training evolution program to aid Marines in their upcoming deployment to Afghanistan. U.S. Marine Corps photo by Staff Sgt. William Greeson