''This is a new model triple mount main cannon developed by the United States used as the main weapon for Iowa class battleships.<br>As an improved main cannon to the one used by a previous class, the power is upgraded due to modifications such as the lengthening of the gun barrel.<br>It is still in development but, it could also be fired by radar using a radar-linked gun fire control system. | ''This is a new model triple mount main cannon developed by the United States used as the main weapon for Iowa class battleships.<br>As an improved main cannon to the one used by a previous class, the power is upgraded due to modifications such as the lengthening of the gun barrel.<br>It is still in development but, it could also be fired by radar using a radar-linked gun fire control system. |