Refueling Mission Air Force Majs. William G. Thomas, left, and Christopher D. Sampson approach a KC-10 aircraft during a training mission over the East Coast, Dec. 8, 2018. SHARE IMAGE: Download Image: Full Size (1.89 MB) Tags: Air Force Photo By: Air Force Master Sgt. Mark C. Olsen VIRIN: 181208-F-AL508-1109.JPG Photo Gallery