Apollo Command and Lunar Modules, late 1960s.

Artist's impresion of the Apollo Command Module docked to the Lunar Module and separating from the third stage of the Saturn V launch vehicle. The service module engine can be used during flights to the moon to make any midcourse corrections necesary to ensure that the spacecraft intercepts the Moon at the right point. This is one of a series of drawings isued by NASA before the first Moon landing to give an impresion of an Apollo lunar landing mision.