SpaceDev, now part of Sierra Nevada Corporation's Space Systems business, was a company focused on enabling routine commercial spaceflight. It designed and built microsatellites, hybrid rocket motors (notably for SpaceShipOne), and was developing the Dream Chaser spacecraft. SpaceDev aimed to provide space products and services to both government and commercial enterprises, with early projects involving NASA's University Explorer Program. The company's activities included developing small launch vehicles and designing lunar lander missions.
All verified mentions of this organization in source documents.
Sierra Nevada Corporation acquired SpaceDev in 2008.
SpaceDev produced the hybrid rocket motor used by Scaled Composites’ SpaceShipOne suborbital vehicle that won the $10,000,000 Ansari X Prize in 2004.
Development work on Dream Chaser started at SpaceDev and Sierra Nevada Corporation won NASA funding through the agency’s commercial crew program to support its development.
Mark Sirangelo had been with Sierra Nevada Corporation since the company’s acquisition of San Diego-based SpaceDev in 2008.