Essentially required for high speed launches: https://twitter.com/elonmusk/status/688844190826942465 https://twitter.com/elonmusk/status/688844190826942465 A b

Essentially required for high speed launches: https://twitter.com/elonmusk/status/688844190826942465 https://twitter.com/elonmusk/status/688844190826942465 A bit of a misnomer that rockets go straight up. In fact they go almost horizontal very fast where trying to find a place to land on land makes little sense.