SpaceX first landed rocket on Dec, 2015. Then people were like: ok, you landed, let's see if it will fly or has any economical impact. Sure, now no-one questio

SpaceX first landed rocket on Dec, 2015. Then people were like: ok, you landed, let's see if it will fly or has any economical impact. Sure, now no-one questions whether landing a rocket is possible at all and whether it is worth it.