After the space shuttle makes what is supposed to be its last flight next year, the United States will be without its own vehicle to get people into space. Some possible options for the next manned missions:
Sources: NASA, SpaceX, Orbital Sciences, United Launch Alliance, U.S. Air Force | Credit: Bonnie Berkowitz and Patterson Clark - The Washington Post
Where will NASA's next giant step take us? Article | It emerged just after midnight last Tuesday, bolted down and gleaming under the floodlights. This was the biggest debut since King Kong, joked the aerospace folks. The Ares I-X is the world's tallest rocket, 327 feet high, and it began the long crawl toward the launch pad at the Kennedy Space Cen...