It was later launched on New Glenn for the first time on January 16, 2025.

History

Following Aerojet's acquisition of Pratt & Whitney Rocketdyne in 2012, Blue Origin president Rob Meyerson saw an opportunity to fill a gap in the defense industrial base. Blue Origin publicly entered the liquid rocket engine business by partnering with ULA and other companies on the development of BE-4. Meyerson announced

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