The Development of the Mark 7 16-Inch Gun on Iowa-Class In the late 1930s, the U.S. commissioned a set of studies for “fast battleship” designs. The General Board, which considered design ...

Iowa-class battleships were massive floating vessels outfitted with nine 16-inch guns that could fire on other vessels or pound targets on land up to 27 miles away. The U.S.' last battleship ...

With the final retirement of the United States Navy’s Iowa-class battleships in the 1990s, the days of warships armed with massive 16-inch cannons are long a thing of the past. While “guns ...