On May 21, 1941, more than six months before the US entry into the war, the SS Robin Moor became the first US flagged merchant ship to be sunk by a German U-boat, all part of the long path towards US entry into the largest war in human history.
The first class of nuclear submarines were a learning experience for the Soviet Navy. The November class boats experienced numerous difficulties and accidents, culminating in what has been described as a potential “Underwater Chernobyl."