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.