United Launch Alliance's next-generation launch vehicle, replacing the Atlas V and Delta IV with a new methane-fueled first stage powered by Blue Origin BE-4 engines. It carries U.S. national-security, NASA and commercial payloads, including the Peregrine and Blue Ghost lunar landers on its early flights.
Facts
Vehicle ClassHeavy-lift expendable launch vehicle 1 Manufacturer First Flight Date StatusOperational, ramping up flight cadence to take over ULA's national-security launch manifest. 1 Cross-Tradition Connections
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