Stratolaunch has taken another step towards its goal of air-launching hypersonic vehicles. On Thursday, the company has completed the second test flight of its carrier vehicle, which is currently known for being the world’s largest aircraft by wingspan. The dual-fuselage launch vehicle with a 385—foot wingspan flew for three hours and 14 minutes over the Mojave Desert at an altitude of 14,000 feet. While it didn’t fly as high as it did (17,000 feet) during its first test flight a year ago, it flew 44 minutes longer than before.
According to Stratolaunch, the successful flight confirms the aircraft’s performance and capability, and it also validates the enhancements done to
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