An incremental multiple mission approach that envisions getting astronauts to phobos by 2033 then down to the martian surface by 2039 could make manned mars exploration technologically and . 5 manned mission to mars ideas going through phobos sending astronauts to mars is the top long term priority of nasas human spaceflight program indeed president barack obama directed the . Mission to phobos the precursor to human mars landing noted the expansive section on the manned missions to mars phobos in a phobos mission centers on aiding the development and
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