Heritage Flight Conference 2009
An F-4 Phantom (left), P-40 Warhawk (top), F-16 Fighting Falcon (right) and A-10 Thunderbolt II fly in formation during the Heritage Flight Conference here March 7. Pilots of old and new aircraft come to the HFC every year to practice demonstration flights together before the air show season. (U.S. Air Force photo/Staff Sgt. Valerie Smith)