NASA overcame what it seemed like unsurmountable odds to put a man on the moon, and some scientists believe it is still the greatest achievement of the space agency.

However, what this astronaut aboard the International Space Station just did may be more impressive than going to the moon. He needed a tool to fix an important part that keeps the station stable. But getting supplies usually takes a long time because they have to come from Earth and trips to the station are scheduled months apart. So how did NASA deliver the tool in record time to avoid a potential catastrophe? Well, just watch:

Impressive, isn’t it?