Bezos' Blue Origin starts rocket engine plant's construction
World's richest person Jeff Bezos' aerospace startup Blue Origin has started construction of its new rocket engine-making factory in the US' Alabama. The factory will produce 'BE-4' engines, used to power its New Glenn rocket and United Launch Alliance's Vulcan Centaur rocket. It'll also build 'BE-3U' engines used to power New Glenn rocket's second stage.