- Interesting to see that booster reusability is now a requirement for new Darpa Project ... http://www.space.com/26529-experimental-military-space-plane-designs.html 36 comments spacex
Linked pages
- Space.com: NASA, Space Exploration and Astronomy News https://space.com 152 comments
- New US Military Space Plane Aims for 2017 Liftoff | Space http://www.space.com/24639-united-states-military-space-plane-xs1.html 9 comments
- Defense Advanced Research Projects Agency - Content not found http://www.darpa.mil/newsevents/releases/2014/07/15.aspx 3 comments
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