Astronaut Gregory E. Chamitoff PhD ’92 poses with a picture of MIT’s Aeronautics and Astronautics Department aboard the International Space Station during his time in orbit last year. Courtesy of NASA Mar. 13, 2009 Facebook Twitter Reddit Print Astronaut Gregory E. Chamitoff PhD ’92 poses with a picture of MIT’s Aeronautics and Astronautics Department aboard the International Space Station during his time in orbit last year. Courtesy of NASA