This Week in NASA History: Stacking of Apollo 4 – Feb. 23, 1967This week in 1967, stacking of the AS-501 stages for the Apollo 4 mission began at NASA’s Kennedy Space Center and was completed with the placement of the Instrument Unit on Feb. 25.Read More Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/this-week-nasa-history-stacking-of-apollo-4-feb-23-1967/Copy URL to clipboard> DownloadShareSize1041x1132px