Submarines are a marvel of modern engineering, and the realities of operating one (as well as working and living on one) are ...

Beneath the vast blue expanse of the Western Pacific, where geopolitical tensions simmer just below the surface, America’s most sophisticated warships operate in complete silence. These ...

Putnam — The nation’s only enlisted submariner to receive the Medal of Honor lies in a grave in St. Mary’s Cemetery. Year after year, volunteers would come to clean the headstone of Henry Breault.

The fast-attack submarine USS Alexandria came pier-side at Naval Base Point Loma Thursday to music from Navy jazz band and cheers from the throngs of family and friends waiting to greet its crew.

The ocean depth is the last domain where America still has a clear military advantage over China. As battlefields fill with sensors, becoming increasingly transparent, “being under water matters ...