10"/40 caliber gun Mark 3

The 10"/40 caliber gun Mark 3 (spoken "ten-inch-forty--caliber") was used for the primary batteries of the United States Navy's last generation of armored cruisers, theTennessee-class. The Mark 3s were the last, and most powerful, 10-inch (254 mm) guns built for the US Navy.

10"/40 caliber gun Mark 3

The 10"/40 caliber gun Mark 3 (spoken "ten-inch-forty--caliber") was used for the primary batteries of the United States Navy's last generation of armored cruisers, theTennessee-class. The Mark 3s were the last, and most powerful, 10-inch (254 mm) guns built for the US Navy.