Moonbase Alpha is a fictional lunar research facility featured in the video game Space: 1999. It serves as a base for scientific exploration and is home to a group of astronauts and scientists. The base is equipped with advanced technology to support life and conduct experiments on the Moon. In the series, an unexpected explosion causes the Moon to break free from Earth's orbit, leading the inhabitants of Moonbase Alpha on a journey through space. The show explores themes of survival, teamwork, and the challenges of living in an isolated environment far from home.