“…In 2004, NASA released the President's Vision for Space Exploration, which includes specific goals for returning humans to the Moon (NASA, 2004). The European Space Agency completed its first dedicated lunar mission, SMART-1, in September of 2006 and is currently examining options for participating in lunar explorations that go beyond robotics (Messina and Vennemann, 2005;Laurance, 1996;Horneck et al, 2001). As interest in human missions to the Moon grows, it is important to look at the scientific reasons for returning there and, in particular, the reasons that warrant the establishment of a more permanent presence than that achieved during the Apollo era.…”