ADVANCE FOR USE FRIDAY, FEB. 17, 2012 AND THEREAFTER - FILE - In this Jan. 11, 1961 file photo, Marine Lt. Col. John Glenn, in a space flight suit, reaches for some of the controls inside a Mercury capsule procedures trainer as he shows how the first U.S. astronaut will ride through space during a demonstration at the National Aeronautics and Space Administration Research Center in Langley Field, Va. (AP Photo)