Looking Up Air Force Senior Airman Grace Tupper inspects a C-17 Globemaster III engine after aerial refueling training at Air Station Barbers Point, Hawaii, July 12, 2022. SHARE: Download: Full Size (1.08 MB) Tags: Air Force Credit: Air Force Staff Sgt. Jared Bounds VIRIN: 220712-Z-BT678-1460M.JPG Photo Gallery