9 septembre 2021 | International, Aérospatial
USAF Chief: New F-35 Engine Development Needed, Even Without Commitment To Buy | Aviation Week Network
The continued research and development for a possible F-35 engine replacement is needed, even without a commitment to replace the current F135 powerplant, so the U.S. Air Force can keep the option open and the technology evolving, the top service general said Sept. 8.