The next quartet bound for the International Space Station will wait a bit longer before they can punch their ticket to space after Falcon Heavy delays pushed back the launch of the next Crew Dragon mission, NASA said Tuesday.

Bound for an orbital rendezvous with the International Space Station on Wednesday, a commercial Cygnus freighter was successfully launched by an Atlas 5 rocket Sunday to restart American cargo deliveries to the research outpost.

A Russian Soyuz spacecraft docked at the International Space Station early Friday, boosting the lab’s crew to nine for the next week and providing a ride home next March for two station crew members who are only halfway through a nearly yearlong stay aboard the lab complex.