Discover how the Hermeus Quarterhorse Mk 2.1 achieved Mach 1.21 in its historic first unmanned supersonic flight. Read the full test flight details now!
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The supersonic jet that quietly trained America’s best pilots
When the Northrop T-38 Talon entered service in 1959, it became the world’s first supersonic trainer aircraft and ...
Hermeus announced on Tuesday that it has successfully achieved the first supersonic flight of its unmanned Quarterhorse Mk 2.1. While Hermeus developed the jet for military use, this project has ...
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