ExecutiveBiz ExecutiveBiz covers emerging companies in Washington's government contracting sector. 
The Defense Advanced Research Projects Agency has concluded its two-week evaluation of an RS-25 Space Shuttle Main Engine variant as part of the agency’s Experimental Spaceplane program with Boeing. DARPA said Tuesday it coordinated with Aerojet Rocketdyne in fire testing the AR-22 engine using an aircraft-like approach. Experimental Spaceplane Program …
Read More »DARPA Finishes Two-Week Evaluation of AR-22 Engine; Scott Wierzbanowski Comments
