Blue Origin’s BE-4 could propel the next stage of space exploration

After five years of development, Jeff Bezos announced in Twitter this week Blue Origin has successfully completed a hot fire test of its fully reusable BE-4 engine. The hot fire test marks an important milestone for both Blue Origin and the next step in human exploration of space. https://twitter.com/JeffBezos/status/921114359119560704 Blue Origin's orbital rocket, the New Glenn, will use seven BE-4 engines in its first stage, and a single BE-4 in

‘Lunar. Sooner’: ULA & Bigelow propose 2022 launch for lunar depot

Bigelow Aerospace and ULA have announced plans to put Bigelow’s B330 expandable habitat module into low lunar orbit by the end of 2022. Bigelow said the habitat will serve as a lunar depot and support infrastructure for other deep space missions. The commercial habitat will launch on ULA’s latest Vulcan rocket. The announcement expands an earlier partnership to launch one of Bigelow's B330 habitats into low Earth orbit aboard ULA's