Supercar Blondie on MSN

Japan is quietly building a hypersonic aircraft so fast it'd fly passengers 2,500mph faster than America's Concorde successor

This is a big deal ...

Japan Hopes This Hypersonic Engine Can Make 2 Hour Flights To The US A Reality

Discover Japan's Mach 5 hypersonic engine. We explain the JAXA Kakuda Space Center ramjet test that could make 2-hour flights ...
Gadget Review on MSN

Japan tests Mach 5 engine for two-hour Tokyo-LA flights

Japan successfully tests Mach 5 ramjet engine that could cut Tokyo-LA flights from 12 hours to 2 hours, with passenger ...