Mon. Apr 20th, 2026
USS Wisconsin (BB-64) Underway at sea, circa 1988-91. Official U.S. Navy Photograph, from the collections of the Naval History and Heritage Command.

USS Wisconsin BB-64

The USS Wisconsin (BB-64) stands as a testament to American naval might, serving as one of the famed Iowa-class battleships of the United States Navy. Commissioned in April 1944 during the height of World War II, the Wisconsin played a pivotal role in the Pacific theater, engaging in numerous combat operations against the Imperial Japanese Navy. With a length of 887 feet and a displacement of over 45,000 tons, the Wisconsin epitomized the sheer power and dominance of American naval forces during the Second World War.

Throughout its illustrious service history, the USS Wisconsin earned a reputation as a fearsome and versatile warship. Armed with nine 16-inch guns in three turrets, twenty 5-inch dual-purpose guns, and an array of anti-aircraft weaponry, the Wisconsin possessed immense firepower capable of engaging enemy ships, aircraft, and shore installations with devastating effect. The battleship’s thick armor plating and advanced design made it resilient in combat, allowing it to withstand enemy attacks while delivering punishing blows to adversaries.

Following the conclusion of World War II, the USS Wisconsin was briefly decommissioned before being reactivated for service during the Korean War and later the Persian Gulf War. In addition to its combat operations, the Wisconsin also served as a symbol of American naval strength during peacetime, participating in various training exercises, diplomatic missions, and port visits around the world. Despite being decommissioned for the final time in 1991, the Wisconsin remains a beloved icon of American naval heritage, preserved as a museum ship in Norfolk, Virginia, where visitors can experience firsthand the storied legacy of this legendary battleship.

Armament of USS Wisconsin (BB-64)

The USS Wisconsin (BB-64), an Iowa-class battleship of the United States Navy, was armed with a formidable array of weaponry, reflecting its role as a capital ship designed for engaging surface targets, providing naval gunfire support, and defending against aerial threats. The armament of the USS Wisconsin included:

  1. Main Battery: The primary armament of the USS Wisconsin consisted of nine 16-inch (406 mm) Mark 7 naval guns, housed in three triple-gun turrets. These massive guns were capable of firing armor-piercing, high-explosive, and anti-aircraft shells over long distances, delivering devastating firepower against enemy ships, shore installations, and aircraft.
  2. Secondary Battery: In addition to the main battery, the USS Wisconsin was equipped with twenty 5-inch (127 mm) Mark 12 dual-purpose guns, mounted in ten twin-gun turrets positioned along the sides of the superstructure. These guns provided close-range defense against both surface and aerial threats, and they were also effective for providing naval gunfire support during amphibious operations.
  3. Anti-Aircraft Weapons: To defend against enemy aircraft, the USS Wisconsin was outfitted with a variety of anti-aircraft guns, including 40 mm Bofors and 20 mm Oerlikon cannons. These guns were distributed throughout the ship’s superstructure and deck spaces to provide protection against aerial threats, supplementing the firepower of the main and secondary batteries.
  4. Torpedo Defense: The USS Wisconsin was equipped with advanced torpedo defense systems, including armored bulkheads, compartmentalization, and anti-torpedo bulges along the hull. These features were designed to minimize damage from torpedo strikes and enhance the battleship’s survivability in combat situations.

Overall, the armament of the USS Wisconsin (BB-64) represented a formidable combination of firepower and defensive capability, making it one of the most powerful warships of its time. With its main battery of 16-inch guns, secondary battery of 5-inch guns, and numerous anti-aircraft weapons, the Wisconsin was well-equipped to engage a wide range of enemy threats encountered during its service in World War II, the Korean War, and the Persian Gulf War.

Dimensions of USS Wisconsin (BB-64)

The USS Wisconsin (BB-64), an Iowa-class battleship of the United States Navy, had the following approximate dimensions:

  1. Length: The overall length of the USS Wisconsin was approximately 887 feet (270 meters). This measurement encompassed the entire length of the battleship’s hull from the bow to the stern.
  2. Beam: The width, or beam, of the USS Wisconsin was approximately 108 feet (33 meters). This measurement represented the widest point of the battleship’s hull.
  3. Draft: The draft of the USS Wisconsin, which refers to the vertical distance between the waterline and the bottom of the hull, varied depending on the ship’s load and displacement. However, the average draft during normal operating conditions was around 36 feet (11 meters).
  4. Displacement: The displacement of the USS Wisconsin varied depending on factors such as fuel, ammunition, and crew complement. However, the standard displacement was approximately 45,000 tons, while the full load displacement could exceed 57,000 tons.

These dimensions made the USS Wisconsin one of the largest and most powerful battleships ever constructed, capable of projecting immense firepower and serving as a formidable presence on the high seas. As a capital ship of the United States Navy, the Wisconsin played a pivotal role in numerous combat operations and naval engagements, earning a reputation as one of the most formidable warships of its time.

USS Wisconsin (BB-64) underway at sea, circa 1988-1991 (NH 97206-KN)