Marines from 3rd Battalion, 11th Marines, India Battery fire an M777A2 lightweight howitzer during a field fire at the training ranges near Camp Leatherneck in southern Afghanistan's Helmand Province June 4, 2009. 3rd Bn., 11th Marines is an element of Regimental Combat Team 3 whose mission is to conduct counterinsurgency operations in southern Afghanistan with a focus on training and mentoring the Afghan National Police.