After awarding contracts to three prime contractors earlier this month, the Defense Advanced Research Projects Agency has announced the industry teaming arrangements for Phase 1 of its new XS-1 Experimental Spaceplane program. In a July 15 statement , the agency said Boeing, Northrop Grumman and Masten Space Systems had been selected as the prime contractors to complete early design and development work. The spaceplane program aims to design and demonstrate an unmanned, reusable launch vehicle capable of deploying small payloads...