IIRC, the grand plan was:\n\nMoon by 1970\n\nMars by 1980\n\nJupiter by 1990\n\nSaturn by 2000\n\nAlpha Centauri by 2010\n\nThen fucking Nixon destroyed NASA's budget.\n\n**EDIT**: Okay, scratch Jupiter:  http://www.youtube.com/watch?v=xfMtRn5Ylfc#t=225s