The 12"/50 caliber Mark 7 gun was a United States Navy's naval gun that first entered service in 1912. Initially designed for use with the Wyoming class of dreadnought battleships, the Mark 7 also arm
USS Arkansas (BB-33) firing her 12"/50 guns in battle practice prior to World War I
Wyoming-class battleship
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The Wyoming class was a pair of dreadnought battleships built for the United States Navy. Wyoming and Arkansas were authorized in early 1909, and were built between 1910 and 1912. These were the fourt
12-inch/50-caliber Mark 7 gun
…gun (spoken "twelve-inch-fifty-caliber") was a United States Navy's naval gun that first entered service in 1912. Initially designed for use with the Wyoming class of dreadnought battleships, the Mark 7 also armed the Argentine Navy's Rivadavia-class battleships. The 12-inch (305 mm)/50 caliber Mark 7 naval gun…
Wyoming as completed
Arkansas in her 1944 configuration, with tripod foremast
Arkansas underway in 1920