: a rocket used to launch a satellite or spacecraft
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Specifically, a series of hydrogen leaks and then an unexpected problem getting helium to flow to the upper portion of the launch vehicle led to a series of delays and ultimately a decision to roll the rocket back off its launchpad.—Jackie Wattles, CNN Money, 27 Feb. 2026 The original launch vehicles for satellites used by the United States was the Vanguard rocket, which worked out to a cost of about $1,000,000 per kilogram.—Big Think, 24 Feb. 2026 If not, the Artemis launch vehicles could suffer from fuel feed destabilization, which could ultimately lead to rocket failure.—Christopher McFadden, Interesting Engineering, 22 Feb. 2026 To date, only two of Alpha's six orbital missions have been fully successful, but Firefly is focused on more than just launch vehicles.—Josh Dinner, Space.com, 20 Feb. 2026 See All Example Sentences for launch vehicle