The USS Missouri's main guns were nine formidable 16-inch/50 caliber Mark 7 cannons, housed in three triple turrets, capable of firing 2,700-pound armor-piercing shells over 20 miles with devastating force, using massive powder charges to propel projectiles at high velocity, making them powerful enough to penetrate heavy armor and destroy fortifications. Each gun barrel was enormous, weighing 134 tons and stretching 68 feet long, delivering immense firepower and enabling the ship to engage targe

The Iowa-class battleships were formidable fighting machines with immense firepower, primarily centered on nine 16-inch/50 caliber Mark 7 guns housed in three triple turrets. These guns could fire heavy shells, such as a 2,700-pound armor-piercing projectile, up to 24 miles (39 km), delivering more explosive power in a single broadside than dozens of field artillery batteries. Firepower in action During combat: The 16-inch guns were used for heavy shore bombardment and to engage enemy surface ve