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x-plane, Tag
- NASA's supersonic X-plane passes preliminary design review Wed, 28 Jun 17, 10:57pmThe return of civilian supersonic passenger travel just took a big step closer to reality. NASA recently announced that the federal agency has completed the preliminary design review (PDR) of its Quiet Supersonic Transport...
- Meet Maxwell, NASAs zero-emission 14-motor electric airplane Tue, 21 Jun 16, 3:30amNASA is preparing to test experimental propulsion technology with a new zero-emission airplane officially designated X-57 (but affectionately nicknamed Maxwell)...