U.S. Air Force 1st Lt. Caleb McCullough, 9th Air Refueling Squadron KC-10 Extender pilot, performs preflight inspections Oct. 6, 2019, at Travis Air Force Base, California. All three of Travis’ airframes performed a flyover for the 2019 California Capital Airshow in Sacramento. The airshow is an annual event honoring the Sacramento region’s veterans and aviation heritage. (U.S. Air Force photo by Senior Airman Jonathon Carnell)