MARINE MARKSMANSHIP U.S. Marines fire M4 carbines while conducting a marksmanship training exercise at a range in Al Galail, Qatar, April 22, 2013. The Marines are assigned to the 26th Marine Expeditionary Unit's Maritime Raid Force. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 246909-O-KBS08-458.jpg Photo Gallery