160126-N-FO981-027 SAN DIEGO (Jan. 26, 2016) – Hospital Corpsman 1st Class Paulmarlon Barnachea, assigned to the amphibious assault ship USS America (LHA 6), instructs Sailors on proper CPR techniques in the medical ward. America is currently undergoing a post-shakedown availability (PSA) in which the ship’s crew and assigned contractors make improvements to the ship’s design. (U.S. Navy photo by Mass Communication Specialist Seaman Jacob Holloway/Released)