NASA's mega-moon rocket has taken its first trip from the vehicle assembly building to the launch pad. It will undergo more testing before sending an Orion spacecraft around the moon within a few month. WFIT's Rick Glasby has more details.
NASA's huge moon rocket lumbers to the launch pad.
![SLS rocket travels to launch pad on crawler-transporter.](https://npr.brightspotcdn.com/dims4/default/60ce365/2147483647/strip/true/crop/1920x1280+0+0/resize/880x587!/quality/90/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2Fbe%2Fdd%2Fc900a6354661b6e7fb02cbc995d8%2Fsls-crawlway-wide.jpeg)
NASA