For registration by phone, registration processing status, NSS membership discounts, and general information:
By postal mail:
National Space Society
P.O. Box 98106, Washington, DC 20090-8106
(please do not include any sensitive information such as credit card numbers)
- Conference Chair, please email Conference Chair.
- Media Relations and Publicity, please email our Media Liaison.
- ISDC® 2019 Sponsorship, Speaker and Operational Questions, please email ISDC Sponsors.
- Exhibits, please email our Exhibits Coordinator.
- Website Issues (broken links and registration problems), please email our ISDC Webmaster.
- Volunteers, please email our Volunteer Coordinator.