The Space Launch Rocket has already been rolled out to the launch pad, setting the stage for a historic mission. But not everybody is convinced that the space agency has sufficiently addressed the issue ahead of its first crewed Moon mission. “What they’re talking about doing is crazy,” former NASA astronaut and heat shield expert Charlie Camarda told CNN. Yes, it’s going to crack,” former NASA astronaut Danny Olivas, who worked on the heat shield investigation, told CNN. They know the importance of the heat shield to crew safety, and I do believe that they’ve done the job.”NASA’s recently sworn-in administrator, Jared Isaacman, is equally convinced.