JOINT BASE CHARLESTON, S.C. –
Col. Clinton ZumBrunnen, 437th Airlift Wing commander taxis a C-17 Globemaster III at Joint Base Charleston, S.C., Aug. 4, 2020. The fini flight is a military aviation tradition which marks a pilot’s retirement from the Air Force. Col. ZumBrunnen Served in the U.S. Air Force for 22 years and accumulated more than 3,000 flight hours as an aviator. (U.S. Air Force Photo by Senior Airman Joshua R. Maund)