REALISTIC TRAINING U.S. Marines prepare to fire an M777 A2 Howitzer during a direct-fire exercise as part of realistic urban training on Fort A.P. Hill, Va., June 11, 2010. The Marines are assigned to 3rd Battalion Landing Team, 8th Marine Regiment, 26th Marine Expeditionary Unit. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 535973-D-JIV36-174.jpg Photo Gallery