A U.S. Marine carries tubes loaded with charges. A U.S. Marine with India Battery, Battalion Landing Team, 2nd Battalion, 5th Marine Regiment, 15th Marine Expeditionary Unit carries tubes loaded with charges during a supporting arms coordination exercise at San Clemente Island, Calif., on March 13, 2008. The exercise simulates fire between air and ground units in a combat zone. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 910347-D-FAT49-788.jpg Photo Gallery