Modern nuclear submarines are some of the most complex machines of war ever constructed. They can remain at sea for years, can submerge for extended lengths of time, and they run almost silently. They ...

U.S. Navy Cmdr. James Tuthill, commanding officer of the Los Angeles-class fast-attack submarine USS Annapolis (SSN 760), greets Royal Australian Navy Capt. Ken Burleigh, commanding officer of HMAS ...

Submarines are a vital part of the United States Navy, but there is one in particular that stayed at sea for 727 days. Here's ...

Although they lost World War II, the Nazis were more technologically advanced than their Allied rivals in multiple ways. Berlin’s problem was scale—and trying to do too much with too few resources.