Japan's New Hypersonic Engine Could Make 2-Hour Flights to the US a Reality
↗Japan's JAXA and collaborating universities validated a Mach-5 ramjet in a wind tunnel and are planning a sounding-rocket flight, with a long-term goal of commercial hypersonic flights (Tokyo–Los Angeles) in the 2040s that could cut travel time to about 2 hours.
May 25, 20261%