Required Quotes

Facts are always required to draw conclusions and make serious decisions.

Sometimes doing your best is not good enough. Sometimes you must do what is required.

Winston S. Churchill

NASA astronauts have only managed to live continuously on the International Space Station (ISS) for a year and Biosphere 2 on Earth failed at two years of uninterrupted human habitation. Both cases required extracting the sickened people from the toxic environments. At this point it is ludicrous to talk about a permanent manned base on Mars.