A U.S. Marine adjusts his weapon during a squad automatic weapons live-fire exercise. A U.S. Marine with the 31st Marine Expeditionary Unit adjusts his weapon during a squad automatic weapons live-fire exercise on the flight deck of the amphibious dock landing ship USS Harpers Ferry (LSD 49) on Feb. 15, 2006. Harpers Ferry, USS Essex (LHD 2) and USS Juneau (LPD 10) are operating in the Philippine Sea. SHARE: Download: Full Size (0.14 MB) Credit: VIRIN: 493635-K-HSO51-213.jpg Photo Gallery