TRAINING AT QUANTICO U.S. Marine Staff Sgt. Martinez Francois, left, and Pvt. Brian Brock, both from the 4th Civil Affairs Group, take cover after a bomb exploded in a mock village during civil-military operations training at Marine Corps Base Quantico, Va., Aug. 9, 2006. SHARE IMAGE: Download Image: Full Size (0.11 MB) Photo By: VIRIN: 357220-B-DAS17-008.jpg Photo Gallery