First Lt. David Bishop, a pilot with the 305th Air Mobility Wing, answers questions about the controls of a C-17 Globemaster to Nicholas Kendall, 10, at "Become a Pilot Day" near Chantilly, Va., June 16. Become a Pilot Day is an annual event at the National Air and Space Museum, intended to introduce children to careers in aviation. (U.S. Air Force photo/Airman 1st Class Alexander W. Riedel)