Keywords: 127mm Mk 16 guns of USS FD Roosevelt (CVA-42) firing 1956.jpg View of the 127 mm/L54 Mark 16 guns aboard the U S Navy aboard the aircraft carrier USS Franklin D Roosevelt CVA-42 firing during her voyage from the Puget Sound Naval Shipyard Washington USA to her new homeport Mayport Florida following her SCB-110 modernisation The FDR circumnavigated South America via Cape Hoorn from 4 June to 8 August 1956 U S Navy photo http //www navysite de/cruisebooks/cv42-56/066 htm from the http //www navysite de/cruisebooks/cv42-56/index_004 htm USS Franklin D Roosevelt CVA-42 1956 cruise book available at http //navysite de/cruisebooks/index html Navysite de 1956 USN PD-USGov-Military-Navy 5 /54 caliber Mark 16 gun Aboard USS Franklin D Roosevelt CV-42 Firing naval artillery |