I toured the USS Nautilus, the world's first nuclear-powered submarine. Take a look inside.

The USS Nautilus.

Talia Lakritz/Business Insider

• Commissioned in 1954, the USS Nautilus was the world's first nuclear-powered submarine.
• It was the first ship to visit the North Pole and participated in the Cuban Missile Crisis blockade.
• Nautilus is now an exhibit at the Submarine Force Museum in Groton, Connecticut.

On January 17, 1955, the USS Nautilus transmitted a historic message: "Underway on nuclear power."

As the world's first nuclear-powered submarine...