All SpaceX rocket development decisions are to accelerate the earliest completion of the SpaceX BFR.
SpaceX will no longer divert resources to make the Falcon 9 second stage reusable. The second stage modification for a mini-BFR will enable low-cost testing of the BFR upper stage.
SpaceX will shift all development resources towards the BFR by the end of 2019. SpaceX is currently spending on the crewed Dragon.
Btw, SpaceX is no longer planning to upgrade Falcon 9 second stage for reusability. Accelerating BFR instead. New design is very exciting! Delightfully counter-intuitive.
— Elon Musk (@elonmusk) November 17, 2018
Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
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