I deduce that the submarine him the USS Nautilus, the first nuclear powered submarine

MajorAmiruddin said:

I deduce that the submarine him the USS Nautilus, the first nuclear powered submarine

Yes, that is. He was the Father of the Nuclear Navy for the United States. His changes allowed the US Navy to be active as long as there were supplies for the crew. Not have worry about fuel for the ships. Which is a big game changer.

BelchingSpitfire said:

I deduce that the submarine him the USS Nautilus, the first nuclear powered submarine

Yup! SSN 571!!