This document discusses the potential for returning to the Moon. It provides a brief geological history of the Moon's formation over billions of years. It then summarizes the exploration history by nations such as the US and USSR. Key reasons discussed for returning include using the Moon as a testing ground without an atmosphere and to collect more precise data. The document also discusses the potential resource of Helium-3 on the Moon which could be used for nuclear fusion energy production on Earth and represent a large economic return on investment for lunar missions.