170605-N-RC734-104 PACIFIC OCEAN (June 5, 2017) The amphibious assault ship USS America (LHA 6), left, and the Arleigh Burke-class guided-missile destroyer USS Hopper (DDG 70) are underway in formation during a simulated straits transit. San Diego is underway conducting CERTEX as part of the third and final phase of qualifications for their upcoming deployment. 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)