The fastest U.S. Navy ship still in service is the Freedom-class littoral combat ship (LCS). Officially, it's "40+ knots," ...

A Navy ship called USX-1 Defiant, which has no crew, is a project of the Defense Advanced Research Projects Agency.

The U.S. Navy’s new Ford-class aircraft carriers, led by the USS Gerald R. Ford, are the largest and most powerful warships ...