Scientists See Way to Reach Mars via the Moon

President Obama this week reiterated the call for a U.S. mission to Mars that he first proposed in April, 2010. He called for a partnership with private sector companies to develop the means to send humans to and from Mars by the 2030s. At the same time, as VOA’s Greg Flakus reports from Houston, some space experts are returning to the idea of using the moon as a first step.