NASA's managed post-Apollo program for extended human spaceflight, astronomical observation, experiments, and reuse of Apollo-Saturn hardware.
NASA, S69-34498 — Apollo Applications Program (AAP) Skylab Cluster artist concept · NASA's current media guidance states that NASA content is generally not subject to U.S. copyright and may be used for factual, informational purposes without implying endorsement, with NASA acknowledged as the source. NASA's official image-detail page captions this exact asset as the Apollo Applications Program (AAP) Skylab Cluster and credits the image to NASA; no third-party copyright notice is marked. · Source