170605-N-RC734-070 PACIFIC OCEAN (June 5, 2017) An AH-1Z Viper attack helicopter assigned to Marine Medium Tiltrotor Squadron (VMM) 161 (reinforced) provides air support to the amphibious assault ship USS America (LHA 6) during a simulated straits transit. The America Amphibious Ready Group is comprised of more than 1,800 Sailors and 2,600 Marines assigned to the amphibious assault ship USS America (LHA 6), the amphibious dock landing ship USS Pearl Harbor (LSD 52), and the amphibious transport dock ship USS San Diego (LPD 22). (U.S. Navy photo by Mass Communication Specialist 1st Class Joseph M. Buliavac/Released)