To Mars by way of its moons.
Singer
S F
SF
George Mason University, USA.
D001272:Atmosphere; D018504:Ecological Systems, Closed; D055593:Geological Phenomena; D005844:Geology; D006801:Humans; D018535:Mars; D018543:Minor Planets; D013026:Space Flight / Q000191:economics; D018531:Spacecraft / Q000191:economics; D014481:United States; D018557:United States National Aeronautics and Space Administration