170804-N-AC254-038 SOUTH CHINA SEA (Aug. 4, 2017) Marines assigned to the 15th Marine Expeditionary Unit (15th MEU) aboard the amphibious assault ship USS America (LHA 6) conduct marksmanship training with the M4A1 carbines and M16 rifles on the ship’s port elevator. America and its amphibious ready group is operating in the Indo-Asia Pacific region to strengthen partnerships and serve as a ready-response force for any type of contingency. (U.S. Navy photo by Mass Communication Specialist 2nd Class Alexander A. Ventura II/Released)