==Potential Near Term Human Missions to Mars==*Mars One (colonization)*Inspiration Mars Foundation (manned Mars flyby)* Human Exploration of Mars: The Reference Mission Design Reference Mission 1.0* Reference Mission Version 3.0, Addedum to Human Exploration of Mars Design Reference Mission 3.0* Mars Expeditions & Flybys & Selected Flybys List of most manned mission projects to Mars* a longer bibliography can be found in the bibliography of Portree's book, available in pdf format from NASA.
==See also====References====External links==* Human Exploration of Mars: The Reference Mission Design Reference Mission 1.0* Reference Mission Version 3.0, Addedum to Human Exploration of Mars Design Reference Mission 3.0* Mars Expeditions & Flybys & Selected Flybys List of most manned mission projects to Mars* a longer bibliography can be found in the bibliography of Portree's book, available in pdf format from NASA.