MEDIA Read about NASA's SAND Challenge here: A Competition to Better Tomorrow For interviews or media inquiries, please contact David Meade at davidlee.t.meade@nasa.gov or (757) 864-8785. SHAREABLE MEDIA Promotional Images ⇒ SAND 2020 Logo (White Outline) ⇒ SAND 2020 Logo (Black Outline) ⇒ SAND 2020 Vertical Banner ⇒ SAND 2020 Handout 4"x6" Videos Safeguard: An Assured Safety Net Technology for UAS Safeguard: Reliable Safety Net Technology for Unmanned Aircraft Systems Safeguard: 2017 Documents ⇒ Reliable Geo-Limitation System for Unmanned Aircraft
