What branch of service were the Nevada-class battleship and the 16"/45 caliber gun used by?
16&quot;/45 caliber gun The 16"/45 caliber gun (spoken "sixteen-inch-forty-five-caliber") was used for the primary batteries of the last class of Standard-type battleships for the United States Navy, the "Colorado"-class . These guns promised twice the muzzle energy over the Mark 7 12-inch/50 caliber guns of the "Wyoming"-class battleship and a 50% increase over the 14-inch/45 caliber guns of the "New York"-class , "Nevada"-class , and "Pennsylvania"-class battleship s.
Type 3 120 mm 45 caliber naval gun Type 3 120 mm 45 caliber naval gun was a Japanese naval gun and coast defense gun used on destroyers, submarines and torpedo boats of the Imperial Japanese Navy during World War I and World War II. The proper title of the gun under the Japanese naval artillery naming system is 12 cm/45 3rd Year Type naval gun. Other guns using this naming system are the 41 cm/45 3rd Year Type naval gun, 20 cm/50 3rd Year Type naval gun, 15.5 cm/60 3rd Year Type naval gun and the 12.7 cm/50 Type 3 naval gun.