WASHINGTON — United Launch Alliance underestimated the challenges Blue Origin would face in the development, testing and manufacturing of the BE-4 rocket engine, ULA’s CEO Tory Bruno said Aug. 5. The engine program is years behind schedule, he said, but the BE-4 so far is performing well in tests and fully assembled flight engines should be delivered within months.  

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Sandra Erwin writes about military space programs, policy, technology and the industry that supports this sector. She has covered the military, the Pentagon, Congress and the defense industry for nearly two decades as editor of NDIA’s National Defense...