While we went to the moon a handful of times in the Apollo era of the 1960-70's, commercial space ventures like Astrobotic are taking us back to the moon by developing an economically viable transportation service, which will enable a sustained human presence. In this episode, we interview John Thornton, CEO of Astrobotic and one of the most influential leaders in the entrepreneurial space sector. He's currently planning the world's first commercial mission to the moon in 2019.