The space vehicle leaves the Vehicle Assembly Building for the Launch Complex 39.
In this historical photo from the U.S. space agency, the 363-foot tall Apollo Saturn V space vehicle is leaving the Vehicle Assembly Building (VAB) for Pad A, Launch Complex 39, Kennedy Space Center (KSC) Florida on May 11, 1971.
The Saturn V stack and its mobile launch tower are atop a crawler-transporter. The "stack" and the VAB are reflected in the turning basin.
Each weekday, SPACE.com looks back at the history of spaceflight through photos (archive).