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<http://schema.org/description>
"During a flight trial, Saab’s Gripen E smart fighter flew supersonic for the first time, breaking the sound barrier while flying over the Baltic Sea on October 18. This part of on-going trials for the aircraft as the company collects data as the plane hits and sustains various milestones like..."
<https://www.halldale.com/articles/14626-gripen-e-smart-fighter-breaks-sound-barrier-during-flight-test?v=preview>