SpaceX’s IFT4 Was expected to push the flight envelope out further, joining the dots between the orbital speeds and the flip and burn landings which had been demonstrated a few years ago. There were a few changes to this flight profile, and in particular, intentionally discarding the hot staging ring appears to have freed up enough margin to make a soft landing of the booster possible. But the real story of this flight was watching as the heat of atmospheric entry burned through at least one of the control