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New Glenn
Heavy-lift orbital launch vehicle with a reusable first stage, designed for commercial, civil, and national security missions.
Blue OriginBE-4 Engine
Active
Liquid oxygen/liquefied natural gas (methane) rocket engine - the first American-made oxygen-rich staged combustion engine. Powers New Glenn and ULA Vulcan Centaur.
Latest update Aug 28, 2026
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Current status
BE-4 is in full-rate production in Huntsville and powers both the seven-engine New Glenn booster and ULA's two-engine Vulcan first stage. After tracing the May 28, 2026 New Glenn pad explosion to a main oxygen valve fault, Blue Origin is retrofitting a modified valve into existing BE-4 engines - including units already at ULA's Decatur, Alabama plant and Cape Canaveral - with updated hardware targeted for end of August 2026.
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Specifications4
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