United Launch Alliance selects BE-4 engines for Vulcan – Satellite News Digest

Following completion of a competitive procurement, ULA has selected Blue Origin’s BE-4 engine for Vulcan Centaur’s booster stage. The liquefied natural gas (LNG) fuelled booster will be powered by a pair of BE-4 engines, each producing 2.45 MN (550,000 lbf) of sea level thrust.


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