Four new crew members are preparing to launch to the International Space Station as part of NASA’s SpaceX Crew-8 mission. NASA astronauts Matthew Dominick, Michael Barratt, and Jeanette Epps, and Roscosmos cosmonaut Alexander Grebenkin will lift off from Launch Complex 39A at NASA’s Kennedy Space Center in Florida to perform research, technology demonstrations, and maintenance activities aboard the microgravity laboratory. The flight is the eighth crew rotation mission with SpaceX to station, and the ninth human spaceflight as part of NASA’s Commercial Crew Program. The cadre will fly aboard t…