SYSTEM RELOAD U.S. sailors load an Mk 38 Mod 2 25mm machine gun system aboard the USS Pearl Harbor in the Indian Ocean, Dec. 31, 2011. The Pearl Harbor and embarked Marines from the 11th Marine Expeditionary Unit are on deployment conducting operations as part of the Makin Island Amphibious Ready Group. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 889155-D-JLV76-234.jpg Photo Gallery