Jim Clash covers extreme adventure and classic rock. Over three decades ... His first-person stories include supersonic A milestone effort for mankind: Today a civil test airliner, Boom ...
Boom Supersonic is one step closer to launching the spiritual heir to the Concorde. The US firm's XB-1 prototype reached a transonic speed of Mach 0.95 during Test Flight 11 on January 10, 2025. The ...
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