The U.S. Naval Institute (USNI) is a nonprofit professional association established in 1873 by naval officers at the U.S. Naval Academy. It serves as an independent forum focused on enhancing the understanding of sea power and global security issues. USNI promotes open debate and idea exchange among members of the Navy, Marine Corps, Coast Guard, and other maritime services worldwide.

USNI publishes a monthly journal called *Proceedings*, along with the bi-monthly *Naval History Magazine*, and offers a daily news service, USNI News. Members benefit from discounts on publications, access to a rich archive of naval photographs and oral histories, and opportunities to participate in conferences and professional development events. The membership includes active and retired personnel from the U.S. Navy, Marine Corps, and Coast Guard, as well as civilians interested in maritime affairs. Notable members have included historical figures and influential individuals in military and literature.