26 - 30 April 2026
National Harbor, Maryland, US

Attend SPIE Defense + Security

All the information you need to plan and participate
Nighttime view of National Harbor’s waterfront on the Potomac River, with illuminated hotels and shops, festively lit trees along the promenade, and the rainbow-lit Ferris wheel reflecting in the calm water.

Join your colleagues in National Harbor

Enrich your work by participating in the leading global conference for sensing, imaging, and photonics technologies for the defense and security communities.

Venue

Gaylord National Resort & Convention Center
193 Waterfront St.
National Harbor, Maryland 20745

Featuring the latest innovations in sensing and imaging technology

Enrich your work by participating in the leading global conference for sensing, imaging, and photonics technologies for the defense and security communities.

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Why should you attend Defense + Security?


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See the latest research

Presentations from industry organizations from around the globe

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Connect with colleagues

Technical and networking events keep you informed about the latest research

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Global expertise in plenary presentations

World-class speakers present on the latest challenges and opportunities

Connect with leading suppliers in the defense and security industries


A free expo showcasing innovation

Companies will offer an inside look into their portfolio of products and services that are enhancing capabilities and advancing multi-domain environments.

Student Members may qualify for support

SPIE Student Members who want to attend Defense + Security are encouraged to apply for supplemental travel grants and fee waivers. Presenting authors will be given priority selection, but grants are open to all Student Members.