NASA astronauts Raja Chair and Doug Wheelock explain how commercial missions are paving the way for the return to the moon.

On Sunday, NASA, in collaboration with SpaceX, will launch what is known as Crew-1 into space. This will be the first fully-staffed and operational commercial mission to the International Space Station. First off, it’s good for NASA because we need to get up and down to the International Space Station,” Fincke said. “This also is really good because this is a capsule SpaceX rocket. RELATED: SpaceX crew flight delayed until Sunday; Musk gets mixed COVID-19 results