Firing a 16-inch naval gun on a battleship is a rare and awe-inspiring experience, combining raw power, precise engineering, and the teamwork of hundreds of sailors. These massive weapons, capable of hurling shells weighing as much as a car over 20 miles, were the centerpiece of battleships like the U.S. Navy's Iowa-class. Here’s a breakdown of what it’s like to fire one:
The Physical and Visual Impact
The Immense Blast:
When a 16-inch gun fires, the blast is monumental. A muzzle flash bursts from the barrel, and an enormous plume of smoke rapidly expands around the gun turret. The shockwave can be felt hundreds of feet away, even aboard the same ship. The noise is deafening, likened to standing next to a thunderclap, and can cause intense vibrations throughout the battleship.
Recoil and Stabilization:
Despite the battleship’s enormous weight (over 50,000 tons for an Iowa-class ship), firing a 16-inch salvo pushes the ship sideways in the water by several feet. The hydraulic systems in the turret absorb much of the recoil, but the sheer force of the gunfire is still apparent. Crew members across the ship can feel the entire vessel shift slightly.
The Crew’s Perspective
Inside the Gun Turret:
Each gun turret is a fortress in itself, manned by over 70 sailors across multiple decks. The atmosphere inside is loud, tense, and highly coordinated. Crew members in the turret are responsible for tasks such as loading the shells, operating the hydraulics, and adjusting the firing mechanisms. The space is cramped, and communication is often conducted through shouting or sound-powered telephones.
Loading and Preparation:
Firing a 16-inch gun involves a precise and labor-intensive process:
A shell, weighing 1,900 to 2,700 pounds, is hoisted into the gun’s breech.
Powder bags (each weighing about 110 pounds) are loaded behind the shell to provide propulsion.
The breech is sealed, and the gun is elevated and aimed using data from the ship’s fire control systems.
Coordination with Fire Control:
The ship’s fire control team calculates the exact trajectory needed to hit the target. Factors like wind, temperature, humidity, and even the curvature of the Earth are taken into account. Orders are relayed from the fire control tower to the gun turrets with precise timing.
The Experience of Firing
The Command to Fire:
The captain or fire control officer gives the order, and the gunner pulls the trigger. The delay between the command and the shot is only a few seconds. From inside the turret, the crew feels a sudden, immense jolt and hears a muffled but overwhelming roar.
The Shell in Flight:
Once fired, the shell travels at over 2,000 feet per second, creating a sonic boom as it tears through the air. At maximum range, it takes about 90 seconds for the shell to reach its target. The impact is catastrophic, capable of obliterating heavily armored targets or cratering enemy positions.