Ready to Refuel An Air Force C-5M Super Galaxy flies behind a KC-135R Stratotanker for a refueling over Nova Scotia, Canada, April 15, 2021. SHARE IMAGE: Download Image: Full Size (2.2 MB) Tags: Air Force Photo By: Air Force Master Sgt. Matt Hecht VIRIN: 210415-Z-NI803-1794M.JPG Photo Gallery