As SpaceX's Starship vehicle gathered all of the attention this week, the company's workhorse Falcon 9 rocket continued to hit some impressive milestones. Strikingly, this was the 400th time SpaceX has executed a drone ship landing. This first stage, Booster 1067, subsequently returned and landed on another drone ship, A Shortfall of Gravitas. A Decade in the MakingThese milestones came about one decade after SpaceX began to have some success with first-stage reuse. The first drone ship landing followed in April 2016.