Sea Air Space National Harbor

The Sea-Air-Space, officially recognized as the largest maritime exhibition in the United States, is held annually in April at the Gaylord National Convention Center in National Harbor. Since its inception in 1965, it has established itself as a central platform for professional development and networking in the maritime defense industry. The event attracts a wide range of participants, including high-ranking military leaders, policymakers, program managers, executives, and international delegations.

Over the years, Sea-Air-Space has emerged as a significant event for the Navy, the Marine Corps, and the Coast Guard. It offers a unique opportunity to experience the latest technologies and equipment firsthand and to engage directly with the officials of key military programs and products. With over 20 military commands represented in one exhibition area, the expo gives visitors the chance to meet with important program managers and decision-makers and engage in groundbreaking discussions.

The expo is highly regarded as a platform where the Sea Services and the industry come together to discuss visions for the future and explore new avenues for cooperation. It also serves as an international forum that offers new networking opportunities through the diversity of the countries and official delegations represented. Its international character emphasizes the global relevance of Sea-Air-Space, which garners attention well beyond the borders of the USA.

Another notable feature is the expo's use by the US Navy, Marine Corps, and Coast Guard to introduce and define policy initiatives and plans. This underscores the strategic importance of the event in the maritime defense and security industry and its role in shaping the future of these sectors.

The Gaylord National Convention Center, with its modern infrastructure and location in National Harbor, provides the ideal setting for an event of this magnitude and significance. Its extensive exhibition spaces and modern facilities ensure that the Sea-Air-Space expo is successful each year.

In summary, Sea-Air-Space is an essential event for stakeholders in the maritime defense and security field. It allows insights into the latest technologies and services and offers a platform for meaningful discussions, networking, and professional advancement in this sector.

The Sea Air Space will take place on 3 days from Monday, 20. April to Wednesday, 22. April 2026 in National Harbor.