The Navy is a part of the Department of Defense and is one of six armed forces and eight uniformed services of the United States. The Navy originates from the Continental Navy, established in the American Revolutionary War.

Navy 101 The U.S. Navy, the largest navy in the world in terms of manpower, serves as America's sea-based military force, deterring and defeating threats, protecting the homeland and fostering economic prosperity.

The United States Navy (USN) is the branch of the United States armed forces charged with the defense of the country at sea, the seaborne support of the other U.S. military services, and the maintenance of security on the seas wherever the interests of the United States extend. Its history can be traced to the American Revolution.

The National Interest: The US Navy Has Its Sights on a New Hypersonic Missile—for Only $300,000

The US Navy is buying roughly 350 advanced missiles from defense contractor Castelion next year—and is expected to buy considerably more in the next five years. The US Navy has chosen its primary ...

The US Navy Has Its Sights on a New Hypersonic Missile—for Only $300,000

MSN: Hypersonic savior: The brilliant move that just saved the Zumwalt-class from becoming a US Navy boondoggle

The U.S. Navy has transformed the troubled Zumwalt-class destroyer from an $8 billion failed land-attack ship into a stealthy hypersonic strike platform capable of hitting targets 1,725 miles away in ...