Submarines began navigating the depths before the 1900s, and they've advanced considerably in all that time. Modern military subs are stealthy, nearly silent killers roaming below the waves, and the U ...

Submarines are among the most specialized vessels in a country's navy, thanks to their inherent characteristics which favor stealth, surveillance, and ambushes. Submarine warfare has been a staple of ...

BREMERTON, Wash. — The Navy officially has a new “backbone” of its submarine fleet that is bigger, faster, quieter, and has more endurance and firepower than the Vietnam War-era design it passed by in ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SEOUL, South Korea (AP) — North Korea ...