DARPA Plans Satellite Launching XS-1 Space Plane September 17, 2013/Client: DARPA /by spireco1DARPA Plans Satellite Launching XS-1 Space Plane spireco1 https://spirecommunications.com/wp-content/uploads/2017/12/SpireLogo-300x138.png spireco12013-09-17 20:14:552013-09-17 20:14:55DARPA Plans Satellite Launching XS-1 Space Plane