Garrett Reisman, a former NASA astronaut who is now a SpaceX senior adviser, also applauded the selection, calling Isaacman an “excellent choice” who will “push NASA to go further and faster.” ...

SpaceX also has contracts under Artemis, but Musk has promised that his rocket can do what Boeing’s can for far less money, which likely appeals to Isaacman said Garrett Reisman, a former NASA ...

"This is really important, something they haven't done before," says former NASA astronaut Garrett Reisman. "They're finicky little beasts, and it's not so easy to light them up and shut them down ...