160223-N-YG354-005 PACIFIC OCEAN (Feb. 23, 2016) Lance Cpl. Thomas Lyle, Sgt. Joseph Caminiti and Staff Sgt. Naquan Peterson troubleshoot an aft Environmental Control Systems on an AV-8B Harrier, assigned to Marine Medium Tilt Rotor Squadron (VMM) 166 (Reinforced), on the flight deck of amphibious assault ship USS Boxer (LHD 4). More than 4,500 Sailors and Marines from Boxer Amphibious Ready Group, 13th Marine Expeditionary Unit (13th MEU) team are currently transiting the Pacific Ocean toward the U.S. 7th Fleet area of operations during a scheduled deployment. (U.S. Navy photo by Mass Communications Specialist 1st Class Douglas Bedford/Released)