Submarine warfare played a pivotal role in the Battle of the Atlantic as German U-boats targeted merchant ships and troop carriers from the US and other Allied nations. The underwater predators ...

Russia's submarine fleet is one of the most capable in the world, perhaps second only to that of the United States. And it is only getting better. Although a holdover from the Cold War ...

But history buffs may find one experience particularly intriguing: staying on a fully restored World War II-era submarine—including the very same bunk beds American sailors slept in during war ...