Light the Way An Air Force KC-135 Stratotanker aircraft pilot and crew chief perform a preflight walk around the aircraft before an air-refueling mission at Al Udeid Air Base, Qatar, Feb. 16, 2021. SHARE IMAGE: Download Image: Full Size (1.39 MB) Tags: Air Force Photo By: Air Force Staff Sgt. Trevor McBride VIRIN: 210216-F-ER377-0121M.JPG Photo Gallery