Army Lt. Col. Shane Kimbrough, NASA Astronaut, talks with Ramstein Middle School students during a visit to Ramstein Air Base Feb. 4, 2009. Colonel Kimbrough was one of six astronauts who participated in an Armed Forces Entertainment tour to visit troops downrange and students in the Kaiserslautern Military Community. (U.S. Air Force photo by Airman 1st Class Scott Saldukas)