The George W. Bush-era Constellation project, for instance (later cancelled by Mr Obama), was supposedly going to be a return mission tothemoon followed by atripto Mars.
President Bush's plans for a return tothemoon in 2020, with atripto Mars to follow, were all well and good, but now NASA has finally fleshed out the details of themoon visits, and it seems a permanent international moon base is in the cards.