The Hermeus jet has a projected top speed of Mach 5.5—or 4,219 mph—making it the fastest reusable jet on the planet.
Forget Supersonic. This Hypersonic Jet Can Fly From NYC to London in Under an Hour
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Posted in transportation
The Hermeus jet has a projected top speed of Mach 5.5—or 4,219 mph—making it the fastest reusable jet on the planet.