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References
- ↑ "Andrews Space Reveals Cargo Vehicle Design Work". Andrews Space. 2007-12-12. Archived from the original on December 15, 2007.
- ↑ "Commercial Orbital Transportation Services – A New Era in Spaceflight" (PDF). NASA. February 2014. NASA/SP-2014-617. Retrieved June 4, 2014.
- 1 2 "Andrews Space Reveals Cargo Vehicle Design Work". spaceref.com. December 14, 2007. Retrieved March 17, 2023.
