170523-M-AS864-124 MEDITERRANEAN SEA (May 23, 2017) A Marine assigned to Battalion Landing Team, 3rd Battalion, 6th Marines, engages his target with an M4 carbine during a live-fire exercise aboard the amphibious transport dock ship USS Mesa Verde (LPD 19) May 23, 2017. The range is set to focus on weapon proficiency with long and short distances. The 24th Marine Expeditionary Unit is underway with the Bataan Amphibious Ready Group in support of maritime security operations and theater security cooperation efforts in the 6th Fleet area of operations. (U.S. Marine Corps photo by GySgt Adaecus G. Brooks/Released)