They spent just under 21 hours on the moon, including a two-hour moonwalk, before returning to orbit in the Lunar Module and docking with the Apollo 11 command module, which was piloted by Michael ...

As well as the Orbital Workshop, Skylab incorporated a Multiple Docking Adapter (MDA) with two ports for Apollo spacecraft to dock, an airlock, and the Apollo Telescope Mount (ATM) observatory ...

The Apollo spacecraft is a complex transportation system designed for lunar missions, standing 363 feet tall and weighing ...

By the end of the program, NASA had reduced rendezvous and docking to practice, and everything that was learned in the process was applied to the Apollo missions, which carried rendezvous radars ...