DARPA Begins Work on the XS-1 Reusable Spaceplane September 20, 2013/Client: /by spireco1DARPA Begins Work on the XS-1 Reusable Spaceplane spireco1 https://spirecommunications.com/wp-content/uploads/2017/12/SpireLogo-300x138.png spireco12013-09-20 19:04:392013-09-20 19:04:39DARPA Begins Work on the XS-1 Reusable Spaceplane
