Aerospike Engines - Why Aren't We Using them Now? - YouTube
October 2, 2019 at 2:02:06 PM PDT - permalink - -

- https://www.youtube.com/watch?v=K4zFefh5T-8

You’ve never seen a SpaceX rocket fall to Earth quite like this before - The Verge
May 2, 2017 at 12:09:31 AM PDT - permalink - -

- https://www.theverge.com/2017/5/1/15498974/spacex-rocket-falcon-9-fall-to-earth