Marines assigned to the 31st Marine Expeditionary Unit (31st MEU) conduct a map study aboard the forward-deployed amphibious ass

100919-N-9950J-047
PHILIPPINE SEA (Sept. 19, 2010) Marines assigned to the 31st Marine Expeditionary Unit (31st MEU) conduct a map study aboard the forward-deployed amphibious assault ship USS Essex (LHD 2) before a raid exercise. Essex is part of the forward-deployed Essex Amphibious Ready Group and is participating in Valiant Shield 2010, a joint-service exercise designed to enhance interoperability between U.S. forces. (U.S. Navy photo by Mass Communication Specialist 2nd Class Greg Johnson/Released)

100919-N-9950J-047
 PHILIPPINE SEA (Sept. 19, 2010) Marines assigned to the 31st Marine Expeditionary Unit (31st MEU) conduct a map study aboard the forward-deployed amphibious assault ship USS Essex (LHD 2) before a raid exercise. Essex is part of the forward-deployed Essex Amphibious Ready Group and is participating in Valiant Shield 2010, a joint-service exercise designed to enhance interoperability between U.S. forces. (U.S. Navy photo by Mass Communication Specialist 2nd Class Greg Johnson/Released)