– The SpaceX rocket booster used to launch NASA astronauts Bob Behnken and Doug Hurley on their mission to the International Space Station, making history by being the first private rocket to do so, headed back into Port Canaveral Tuesday.

The Falcon 9 rocket booster landed at sea on the droneship Of Course I Still Love You about 10 minutes after launching the Crew Dragon spacecraft into orbit Saturday afternoon.

[WATCH LIVE: Camera at Port Canaveral].

After launch, the booster landed off Florida’s Coast but Crew Dragon continued on with the astronauts taking about 19 hours to reach the space station.

Behnken and Hurley are the first astronauts to launch on Falcon 9!

The first stage is what returned to Port Canaveral Tuesday.

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It takes about four days for the booster to make its way back to the Space Coast, where it docks at Port Canaveral, passing cruise ships and restaurants along the way