Moonbase Alpha is a fictional Moon base and the main settingd bunkers and then raised on launch pads for take off in the British science fiction television series Space: 1999 (1974-77).
Primary a scientific research station, at the start of the series, Moonbase Alpha houses 311 personnel including scientists, astronauts, medical personnel, and security officers. It is under the command of John Koenig. Four kilometers wide and up to one kilometer deep, it is a totally self-sustaning facility, with the different areas connected by a series of high speed "travel tubes". Alpha also has a fleet of Eagle transport spaceships, used for a variety of purposes throughout the sreies, wich are housed in underground bunkers and then raised on launch pads for take-off.