NASA's moon rocket is at the launch pad as the agency begins its final testing before flying four astronauts to the moon as soon as February.

Inch by inch, NASA's Artemis II moon rocket lumbered along its four-mile commute from the Vehicle Assembly Building to launch pad 39-B.

The integrated SLS (Space Launch System) rocket and Orion spacecraft — which will hold the four astronauts flying the mission — began its hours-long journey from the Vehicle Assembly Building to Launc...