The Air Force has selected five companies to field prototypes for the service's Next Generation Adaptive Propulsion program, according to an award announcement posted by the Defense Department on Friday. The $975 million indefinite delivery, indefinite quantity contracts were awarded to General Electric, Pratt & Whitney, Boeing, Lockheed Martin and Northrop Grumman. Work is expected to conclude in July 2032 and “is focused on delivering capability enabling propulsion systems for future air dominance platforms and digitally transforming the propulsion industrial...