Once you've refuelled on the Moon, you can do an Earth flyby (with a small burn) to reduce the delta-v required to escape the Earth-Moon system. This is what th

Once you've refuelled on the Moon, you can do an Earth flyby (with a small burn) to reduce the delta-v required to escape the Earth-Moon system. This is what the Nozomi craft tried to do: https://en.wikipedia.org/wiki/Nozomi_%28spacecraft%29 https://en.wikipedia.org/wiki/Nozomi_%28spacecraft%29