“The first thing you have to do is complete your series of preflight checks,” Ms. Salonga said. “Once all your preflight checks are complete, you’ll have to—eyes closed, Jessica Diaz—wait for the crew to finish final rocket preparations. Your heart is pounding in your ears. There’s something you keep wondering about—stop that, Christopher, I see what you’re doing—and what you wonder is: What will it look like up there? What will it feel like?”
