160121-N-VR008-016 SAN DIEGO (Jan. 21, 2016) - First class petty officers assigned to the amphibious assault ship USS America (LHA 6) take the Navy-wide E-7 advancement exam at Harbor Side Fitness Center on Naval Base San Diego Jan. 21. 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 3rd Class Kyle Goldberg/Released)