Keywords: US Navy 100228-N-9950J-589 Marines assigned to the 31st Marine Expeditionary Unit (31st MEU) board a CH-46E Sea Knight helicopter before fast rope training aboard the forward-deployed amphibious assault ship USS Essex (LHD 2).jpg en SOUTH CHINA SEA Feb 28 2010 Marines assigned to the 31st Marine Expeditionary Unit 31st MEU board a CH-46E Sea Knight helicopter before fast rope training aboard the forward-deployed amphibious assault ship USS Essex LHD 2 Essex is part of the forward-deployed Essex Amphibious Ready Group and is conducting spring patrol throughout the western Pacific region U S Navy photo by Mass Communication Specialist 2nd Class Greg Johnson/Released 2010-02-28 100228-N-9950J-589 Navy http //www navy mil/view_image asp id 82577 U S Navy photo by Mass Communication Specialist 2nd Class Greg Johnson PD-USGov-Military-Navy Aboard USS Essex LHD-2 CH-46 US Marine Corps |