NASA's SLS Moon rocket reached its launch pad. Here's what happens next

Transcript

AFTER MONTHS OF TESTING, TROUBLESHOOTING AND  TRAINING, NASA’S SPACE LAUNCH SYSTEM ROCKET AND ORION SPACECRAFT EMERGED FROM THE VEHICLE ASSEMBLY  BUILDING ON THE COLD MORNING OF JANUARY 17. THE 322-FOOT-TALL ROCKET, RIDING ON ITS MOBILE  LAUNCHER AND POWERED BY THE WORLD’S LARGEST, SELF PROPELLED VEHICLE WAS FINALLY MAKING WHAT SHOULD  BE ITS FINAL... Read More