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Convair 990: The fastest subsonic jet's challenges

The Convair 990 Coronado was the fastest subsonic jet airliner ever built—designed to outpace its rivals and revolutionize ...
Flightglobal

Hermeus completes ground testing ahead of Quarterhorse Mk 1 first flight

Hypersonic start-up Hermeus has completed ground testing of its Quarterhorse Mk 1 vehicle and is preparing to launch a flight test campaign for the subsonic jet. The Atlanta-based firm on 17 December ...