With 336,978 personnel on active duty and 101,583 in the Ready Reserve, the U.S. Navy is the third largest of the United States military service branches in terms of personnel.

Since 1775, America’s Navy has maintained freedom of the seas. Not only for our nation, but for our allies and strategic partners. We are the most powerful Navy in the world. We are here to preserve …

The United States is a maritime nation, and the U.S. Navy protects America at sea. Alongside our allies and partners, we defend freedom, preserve economic prosperity, and keep the seas open and...

3 days ago · Naval News: The latest naval defense news from around the world. We cover topics such as technology, industry, shipbuilding and navy.

Feb 4, 2026 · Explore the United States Naval Academy: Discover recent news, events, academic programs, and the mission to develop leaders for the Navy and Marine.

Jan 22, 2026 · naval warfare, the tactics of military operations and armed forces conducted on, under, or over the sea.

5 days ago · Chief of Naval Operations Adm. Daryl Caudle’s tailored force initiative is embedded in his new “Fighting Instructions” guidance released on Monday that outlines how the Navy plans to ...

3 days ago · USNI News is the independent, non-profit news service of the Naval Institute. Our mission is to provide unbiased coverage of the U.S. Navy, Marine Corps, Coast Guard and international …

Jan 13, 2010 · Provide defense-focused graduate education, including classified studies and interdisciplinary research, to advance the operational effectiveness, technological leadership and …

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