Reddit discussion is interesting too: https://www.reddit.com/r/spacex/comments/cwsz8u/elon_musk_on_twitter_aiming_for_20km_flight_in/ https://www.reddit.com/r/

Reddit discussion is interesting too: https://www.reddit.com/r/spacex/comments/cwsz8u/elon_musk_on_twitter_aiming_for_20km_flight_in/ https://www.reddit.com/r/spacex/comments/cwsz8u/elon_musk_on...