This video is all about the Interplanetary Transport System: what is it, how does it work, and what problems does it face?

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Music: Podington Bear: Bountiful

More links:

THE MARS UNDERGROUND [HD] Full Movie    • THE MARS UNDERGROUND [HD] Full Movie  
Robert Zubrin - "Colonizing Mars" http://www.thenewatlantis.com/publica...
Wait But Why - "How (and Why) SpaceX Will Colonize Mars" http://waitbutwhy.com/2015/08/how-and...