An expected two-way contest to build a next-generation kill vehicle -- one optimized to counter hypersonic glide vehicles -- is coming to a head, pitting Northrop Grumman and Aerojet Rocketdyne for the chance to progress to the second and final phase of the Glide Breaker program. The Defense Advanced Research Projects Agency will begin reviewing industry proposals in July for Glide Breaker Phase 2, a project that aims to mature a new divert-and-attitude-control-system-propelled kill vehicle technology for integration on a...