Pratt & Whitney is planning further development of rotating detonation engine (RDE) technology following “positive test results” from a series of ground tests.
The service said it decided to pause deliveries on Feb. 27 after identifying cracks in the “outboard fixed-trailing-edge support structure” of two aircraft.
Internal testing validated that the Enhanced Power and Cooling System (EPACS) is mature enough now to enter an engineering and manufacturing development phase.
The U.S. military does not have an effective, overall answer to the question of how to protect austere locations and aircraft from UAS threats, officials say.