A possible contender to arm USAF’s next generation bomber has fired its scramjet engine for the first and completed a critical design review, according to a Boeing release. Air Force Research Lab’s Propulsion Directorate manages the X-51A WaveRider Scramjet Engine Demonstrator program for a consortium comprising USAF, DARPA, NASA, Boeing, and Pratt & Whitney Rocketdyne. The goal is to demonstrate hypersonic technology that Boeing’s Advanced Systems president, George Muellner, says could be used to deliver payloads to space as well as other atmospheric flight applications. He said earlier this year that it might well be adapted for the NGB.
While the Pentagon is halfway through its review of the Air Force’s new Sentinel intercontinental ballistic missile program in the wake of “critical” cost and schedule overruns, the service has declared a similar issue for the helicopters meant to provide security and transport across those ICBM fields. The Air Force recently…