Intention or not... "The BE-4 is our fourth-generation liquid rocket engine, made to take us into orbital space and beyond. Using the latest design and manufac

Intention or not... "The BE-4 is our fourth-generation liquid rocket engine, made to take us into orbital space and beyond. Using the latest design and manufacturing techniques, it’s made for both commercial and government missions." https://www.blueorigin.com/technology#engine_stories_2 https://www.blueorigin.com/technology#engine_stories_2