Once you&#x27;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:<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Nozomi_%28spacecraft%29" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Nozomi_%28spacecraft%29</a>