Acting NASA Administrator Robert Lightfoot, right, speaks about the future of space travel during a discussion with Alison Stewart, a contributor with AtlanticLIVE, left, at The Atlantic's On the Launchpad: Return to Deep Space event, Tuesday, May 16, 2017 at the Newseum in Washington, DC.
Acting NASA Administrator Robert Lightfoot, right, speaks about the future of space travel during a discussion with Alison Stewart, a contributor with AtlanticLIVE, left, at The Atlantic’s On the Launchpad: Return to Deep Space event, Tuesday, May 16, 2017 at the Newseum in Washington, DC.
Photo Credit: NASA/Joel Kowsky