Heritage Conference mixes old with new
An F-22 Raptor, a P-51 Mustang and an F-15E Strike Eagle fly in formation March 3 during the 2007 Heritage Conference at Davis-Monthan Air Force Base, Ariz. The conference provides an opportunity for Air Combat Command demonstration pilots to train together with modern and historic military aircraft in preparation for the upcoming air-show season. (U.S. Air Force photo/Senior Airman Christina D. Ponte)