3/22/2012 - Pilot and interesting speaker, Lt. Col. Ralph DePalma, at far left, gives a tour to members of U.S. Transportation Command to help them better understand the mission and workings of the C-40C airplane belonging to the 932nd Airlift Wing at Scott Air Force Base. The unit is an Air Force Reserve Command wing near St. Louis. (U.S. Air Force photo/Maj. Stan Paregien)