USS Nautilus (SSN-571) was the world's first nuclear-powered boat, nuclear-powered submarine, and the first submarine to complete a submerged transit of the North Pole on 3 August 1958. Her initial commanding officer was Eugene "Dennis" Wilkinson, a widely respected naval officer who set the stage for many of the protocols of today's Nuclear Navy in the US, and who had a storied career during military service and afterwards.