Marines board an MV-22 Osprey tiltrotor aircraft during flight operations aboard the multipurpose amphibious assault ship USS Bataan (LHD 5).

U.S. 5TH FLEET AREA OF RESPONSIBILITY (Apr. 11, 2014) Marines board an MV-22 Osprey tiltrotor aircraft during flight operations aboard the multipurpose amphibious assault ship USS Bataan (LHD 5). Bataan is the flagship for the Bataan Amphibious Ready Group and, with the embarked 22nd Marine Expeditionary Unit (22nd MEU), is deployed in support of maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of responsibility. (U.S. Navy photo by Mass Communication Specialist 3rd Class Mark Hays) File# 140411-N-JX484-870