NASA’s Crawler-transporter 2 moves toward the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida on Friday, ...

KENNEDY SPACE CENTER — It is an iconic machine whose work has spanned nearly the entire history of NASA. And without it, the Saturn V rocket and space shuttle launches would not have been possible.

NASA’s preparations for the Artemis II mission continue to gain momentum with a major milestone reached by the crawler-transporter 2, the massive vehicle responsible for transporting launch equipment ...