Three 16-inch HARP guns were fabricated and provided to BRL for use in the project. These guns were not mobile and stationary in place in Barbados, Yuma Proving Grounds, and Montreal.

The 16-inch gun (406mm) Mark 7 gun could fire a high explosive or armor-piercing round at ranges of more than 23 nautical miles (about 27 miles). These guns were massive, each weighing almost ...

First launched in September 1941, the South Dakota-class battleship, affectionately dubbed "Big Mamie" by its crew, was armed with nine 16-inch 45-caliber guns, 20 5-inch, 38-caliber dual-purpose ...

In terms of main weaponry, the HMS Vanguard packed 4 twin 15-inch (381mm) guns. Although an inch wide and narrower than the more powerful 16-inch (406mm) cannon, the gun could fire a 1,900-pound ...

The Montana-class battleship plans differed from the Iowa-class in several notable ways, largely around the areas of offense and defense. While the Iowa class boasted nine 16-inch 50 cal. guns on ...