The Missile Defense Agency has selected five industry proposals for a Hypersonic Defense Weapon System for further development -- four concepts that rely on a kinetic interceptor to destroy an enemy hypersonic boost glide weapon and one project that envisions a "non-kinetic" solution to thwart an ultrafast, maneuvering threat. During the last week, MDA has selected two Lockheed Martin proposals, two Raytheon proposals and one Boeing proposal for further development; the projects were selected form a batch of 21 white...
