U.S. Air Force Lt. Col. Michael J. Pillion, a KC-10 Extender pilot with the 76th Air Refueling Squadron, 514th Air Mobility Wing, observes as a KC-10 Extender crewed by Reserve Citizen Airmen with the 78th Air Refueling Squadron, 514th Air Mobility Wing, refuels an F-15 Eagle with the 104th Fighter Squadron during a joint training mission over the United States, April 7, 2018. A pair of U.S Air Force F-35 Lightning IIs with the 419th Fighter Squadron fly alongside the Extender. The 514th is an Air Force Reserve Command (AFRC) unit located at Joint Base McGuire-Dix-Lakehurst, N.J. The 419th is an AFRC unit assigned to Hill Air Force Base, Utah. The 104th is with the Massachusetts Air National Guard located at Barnes Air National Guard Base. (U.S. Air Force photo by Master Sgt. Mark C. Olsen)