Ross Chastain, NASCAR Xfinity Series driver, observes and records 3d Airlift Squadron pilots flying a C-17 Globemaster III into position for air refueling Sept. 28, 2017, out of Dover Air Force Base, Del. Chastain observed the Globemaster III being refueled by KC-135T Stratotankers from the 127th Wing, Selfridge Air National Guard Base, Mich. (U.S. Air Force photo by Roland Balik)