BB-49 SOUTH DAKOTA<br> BB-50 INDIANA<br> BB-51 USS MONTANA<br> BB-52 USS NORTH CAROLINA<br> BB-53 USS IOWA<br> BB-54 USS MASSACHUSETTS<br> BB-57 USS SOUTH DAKOTA<br> BB-58 USS INDIANA<br> BB-59 USS MASSACHUSETTS<br> BB-60 USS ALABAMA<br> <br>Displacement: 43,200 tons Dimensions: 684' (length overall); 106' (maximum beam) <br>Powerplant: 60,000 horsepower steam turbines with electric drive, producing a 23 knot maximum speed <br>Armament (Main Battery): Twelve 16"/50 guns in four triple turrets. <br>Armament (Secondary Battery): Sixteen 6"/53 guns in single mountings (eight guns on each side of the ship).