Milestone moves program closer to detailed design review EAST HARTFORD, Conn., Feb. 12, 2024 /PRNewswire/ -- Pratt & Whitney, an RTX (NYSE: RTX) business, has completed a critical assessment of its Next-Generation Adaptive Propulsion (NGAP) offering with the U.S. Air Force, moving the program closer to completing its detailed design review. The team is now working towards ground testing of its NGAP prototype, referred to as XA103, which is expected to occur in the late 2020s. This is a rendering of a future ...