Tropical Storm Helene delays SpaceX's Crew-9 astronaut launch to Sept. 28
As its name suggests, Crew-9 will be the ninth operational astronaut mission SpaceX launches to the ISS for NASA. Elon Musk 's company has six other crewed flights under its belt as well — a test mission to the station for NASA in 2020, three private flights to the ISS and two commercial efforts that circled Earth solo.