A Falcon 9 launch, stage separation, and booster landing on Saturday morning in one long exposure. [credit:
During the wee hours of Friday morning, as the clock counted down toward the launch of a Falcon 9 rocket, SpaceX engineers worked frantically at their control stations. They tracked the health of the rocket, the status of fuel loading, the nearby weather, and more for the mission to deliver supplies to the International Space Station.
“There was a lot going on, and I’ve got to applaud them because everything that was hitting the screen they were dealing with,” the senior NASA figure at the launch, Kenny Todd, recalled later during a news conference. “There was a lot of talk on the loops when you consider the weather, the wind, the issues with the drone ship, and the helium leak