Sea-Air-Space is the largest maritime exposition in the United States, organized by the Navy League of the United States. This premier four-day professional development event brings together the U.S. defense industrial base, private-sector companies, and key military decision-makers from the sea services for an innovative, educational experience. Founded in 1965, Sea-Air-Space serves as an invaluable extension of the Navy League’s mission of maritime policy education and sea service support. The 2026 exposition features influential keynote addresses and luncheons from the nation’s top defense, industry, and government leaders sharing real-time updates and long-term visions in an open, engaging forum. The event includes educational sessions covering the latest insights into the current and future state of the defense industry, strategic policy discussions, a comprehensive convention center exhibition with leading maritime technology providers, and extensive networking opportunities with key decision-makers, buyers, and end users. Guided VIP booth tours help connect clients with potential suppliers. The exposition attracts senior leaders from the U.S. Navy, Marine Corps, Coast Guard, international navies, defense contractors, technology companies, and government agencies. Topics span naval electrification, advanced ship propulsion, weapons systems, radar technology, training and simulation, cybersecurity, unmanned systems, and maritime domain awareness. Located just 20 minutes from Washington, D.C., the National Harbor venue provides convenient access for government and military attendees.