Apollo 17 lunar module pilot Harrison Schmitt, left, shared his experiences as an astronaut and lunar geologist during a visit to Marshall Dec. 7, as part of the Shared Experiences Forum. During an interactive Q&A moderated by Marshall Associate Director Jonathan Pettus, right, Schmitt spoke about launching on the Saturn V rocket, exploring the Moon and looking back at the Earth. The day of his visit was the 45th anniversary of the Apollo 17 launch.