With the retirement of its space shuttle fleet in 2011, the United States will close a long and troubled chapter in the history of human spaceflight. This trio of articles considers what might come next. Jeff Foust reports on the new space policy approved by the president and Congress, and the continued political wrangling over it. Robert Zubrin argues that the space age could learn a thing or two from the age of the Iron Horse. And Rand Simberg explains why NASA needs a policy in keeping with the time-tested values that have made America great.