DAYTON, OH -- The future of the Air Force's Adaptive Engine Transition Program hinges on whether the F-35 receives a new AETP engine, a top official said today, which would determine whether AETP enters the engineering and manufacturing development phase or is discontinued. AETP is currently maturing engine technologies to field improved power and thermal management capabilities for advanced fighters. The Air Force is also separately running another engine research program, called Next Generation Adaptive Propulsion, that is designing similar...