The most recent version dates from 2015 and has a page of guidelines for human missions. (sciencenews.org)
Additionally, the discoveries will provide us with more of what we need to plan successful human missions to the planet, to establish permanent settlements there. (theweathernetwork.com)
A moon - orbiting asteroid would probably also be of interest to private companies proposing human missions to the lunar surface for scientific exploration and mining studies. (newscientist.com)