Original Caption — Heritage Flight 2015: A P-47 Thunderbolt, P-40 Warhawk, P-38 Lightning and P-51 Mustang fly in formation during the 2015 Heritage Flight Training and Certification Course at Davis-Monthan Air Force Base Ariz., March 1, 2015. The annual aerial demonstration training event has been held at D-M since 2001, providing civilian and military pilots the opportunity to practice flying in formation together for the upcoming air show season. (U.S. Air Force photo by Airman 1st Class Chris Drzazgowski/Released)
