Can a submarine travel under the North Pole ice?

I reported for duty on USS Connecticut (SSN-22) just a few months after they had surfaced through the ice at the North Pole. Here's a video of what I missed out on. In true Navy fashion, the crew never let us newcomers forget that they had been to North Pole and we hadn't. We were 'warmbodies' and they were 'bluenoses'. read more

So it is generally possible for most submarines to travel under the North Pole ice. (Source: Wikipedia) The first to do so was the USS Nautilus (the first ever nuclear powered submarine) during Operation Sunshine in 1958. read more

On August 3, 1958, the U.S. nuclear submarine Nautilus accomplishes the first undersea voyage to the geographic North Pole. The world’s first nuclear submarine, the Nautilus dived at Point Barrow, Alaska, and traveled nearly 1,000 miles under the Arctic ice cap to reach the top of the world. read more

U.S. nuclear submarines have been transiting through polar waters for sixty years, ever since the first nuclear-powered sub, USS Nautilus, passed under the North Pole in August 1958. Submarines are natural polar voyagers, as they can travel under the ice and only need to smash through it when they need to surface. read more