Pre-Commissioning Unit (PCU) Mississippi SSN-782 Atlantic Ocean April 7, 2012 - 8 x 10" Photograph
ATLANTIC OCEAN (April 7, 2012) The Virginia-class attack submarine Pre-Commissioning Unit (PCU) Mississippi (SSN 782) conducts alpha trials in the Atlantic Ocean. (U.S. Navy photo courtesy of General Dynamics Electric Boat/Released)