A nuclear submarine doesn't just carry fuel for months, it manufactures the very air and water its crew needs to survive. Here's how the engineering actually works, from splitting seawater molecules ...

A nuclear submarine can stay hidden for months, but keeping a crew of 130 alive in a sealed steel tube requires more than ...

The United States military uses nuclear submarines to attack strategic targets, gather intelligence, and deter threats. Submarines make up part of the "nuclear triad" that protects against nuclear ...