Takeoff was slated for Wednesday evening from Kennedy Space Center in Florida, but the company waived off the launch attempt because of an issue with the launchpad’s ground system. The problem stemmed from a hydraulics system used to control one of two clamps that hold on to the upper portion of the rocket as it sits vertically on the ground pad before launch.

Safety comes first, but it’s not a great look to have to cancel so soon after claiming you could have fixed the problem long ago and insulting the former station commander.

Astronauts Butch Wilmore and Suni Williams are a few days away from returning to Earth after nine months in space. A four-person replacement crew, including two astronauts from NASA, one from Japan and one Russian cosmonaut,