OFFUTT AIR FORCE BASE, Neb. - A heritage flight Aug. 28 that included a P-38 Lightning of the Army Air Corps and an F-22 Raptor demonstrates the proud heritage of military aviation over the past 60 years. The advancing technology and culture of innovation sets the Air Force apart from other branches says Col. Daniel Courtois, 55th Maintenance Group commander. U.S. Air Force photo by Josh Plueger