Stratolaunch built and operates the world’s largest airplane by wingspan. It is the twin-fuselage Roc, which serves as an air-launch platform for reusable hypersonic vehicles. Their primary focus is on developing, launching, and repeatedly flying the Talon-A family of autonomous, rocket-powered hypersonic testbeds, as well as advancing larger and more ambitious vehicles for commercial and ...

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Link :
https://www.nextbigfuture.com/2025/07/stratolaunch-flew-the-first-recoverable-and-reusable-hypersonic-test-plane.html