SpaceX Dragon 9 booster lands safely on an autonomous floating platform, after launching a payload into space.
Potentially a 10-fold reduction versus current launch costs. Game. Changer.
Video at: https://youtu.be/sh8V0COrrzE?t=2129
And Blue Origin isn’t far behind.
Update: The payload was the inflatable Bigalow space capsule, scheduled to be deployed on the International Space Station for two years of testing. Another potential game changer.