Director Duty Air Force Senior Airman Trey Yelling directs a KC-135 Stratotanker before takeoff at Al Udeid Air Base, Qatar, Sept. 18, 2020. SHARE IMAGE: Download Image: Full Size (1.4 MB) Tags: Air Force Photo By: Air Force Staff Sgt. Lauren Parsons VIRIN: 200917-F-XF990-0260M.JPG Photo Gallery