26 - 30 April 2026
National Harbor, Maryland, US

SPIE Defense + Security registration information

Find current information about pricing and other registration details

Register for Defense + Security 2026


Join your colleagues 26-30 April 2026 at the Gaylord National Resort & Convention Center in National Harbor, Maryland.

Below are details of what is included with registration, plus exhibition, course, and press registration. Review pricing, SPIE Membership discounts, and more.

Exhibition-only registration is free and includes access to all industry sessions.

Register online

If you:

need to pay via bank transfer
need an invoice for payment
are an Administrator registering one or more people

Complete the PDF registration form and email to customerservice@spie.org.

Refund information


There is a $75 USD service charge for processing refunds for conference or course registrations. Requests for refunds or course transfers must be received by 10 April 2026; all registration fees will be forfeited after this date. Membership dues and special events are not refundable.

2026 registration fees


All online charges are made in US dollars.

NOTE: Join as an SPIE Member to save more than the cost of an annual Membership with a single event registration. Purchase your Membership during check-out.

Purchase Membership and save!
SPIE Member  Non-Member 
Speaker or author, program committee, session chair $1,100 $1,290
Non-author attendee $1,100 $1,290
Student $610 $1,290
Booth Staff (must be with exhibiting company) Free Free
Exhibition visitor (includes industry sessions) Free Free

What is included with registration?


             Full registration Booth staff Exhibition visitor
All presentations, plenaries, and special events
50 proceedings downloads*
Welcome Reception**
Exhibition
Industry sessions

*Proceedings are fully published on the SPIE Digital Library six weeks after the event; SPIE will email instructions at this time.

**Guest admission tickets for the Welcome Reception can be purchased separately for $75.

SPIE Membership discounts


SPIE Members receive conference and course registration discounts, which are applied at the time of registration. SPIE Student Members receive even greater discounts on courses, particularly during early registration.

SPIE Student Member registration rates are available only to undergraduate and graduate students who have not yet received their PhD or MD. Post-docs may not join SPIE as a Student Member.

Not an SPIE Member? Purchase Membership with your registration and receive your discounts right away or contact membership@spie.org for more information.

Press registration


For credentialed press and media representatives only. Please email contact information, title, and organization to media@spie.org.

US Government credit cards


US Government credit card users: have your purchasing officer contact the credit card company and get prior authorization before attempting to register. Advise your purchasing agent that SPIE is considered a 8398 company for authorization purposes.

Contact SPIE Customer Service


Email: customerservice@spie.org
Phone: +1 360 676 3290 or +1 888 504 8171
Fax: +1 360 647 1445

Hours of operation:
8:00 AM–5:00 PM PT, Monday–Friday

Universal time:
15:00–01:00 November–March
14:00–00:00 April–October

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