''This is an improved and enhanced version of the 16 inch main gun turrets adopted as the standard armament of the American-made Big 7, the Colorado-class. The nameship of the Colorado-class battleships, along with her sisters that were once destroyed at Pearl Harbor, were refitted with these guns after their overhaul at the start of the war. | ''This is an improved and enhanced version of the 16 inch main gun turrets adopted as the standard armament of the American-made Big 7, the Colorado-class. The nameship of the Colorado-class battleships, along with her sisters that were once destroyed at Pearl Harbor, were refitted with these guns after their overhaul at the start of the war. |