tag:techtv.mit.edu,:Array/218474380 2007-09-11 10:52:29 -0400 MIT Video Productions NASA is returning to the Moon by 2020 as a stepping stone for the human exploration of Mars. Human space exploration will no longer be viewed as a set of isolated missions, but rather as an integrated supply chain in space. As part of a NASA-funded project, MIT, together with its partners at JPL and Payload Systems Inc., is developing a framework for interplanetary logistics. 435