DART Mission A SpaceX Falcon 9 carrying NASA’s first planetary defense test mission, the Double Asteroid Redirection Test or DART, launches from Vandenberg Space Force Base, Calif., Nov. 23, 2021. The DART spacecraft is designed to direct itself to hit an asteroid while traveling at roughly 15,000 miles per hour. SHARE: Download: Full Size (0.73 MB) Tags: space, Space Force Credit: Michael Peterson, Space Force VIRIN: 211123-F-IN231-1001.JPG Photo Gallery