A U.S. Air Force KC-135 Stratotanker, assigned to the 506th Expeditionary Air Refueling Squadron, refuels a B-52 Stratofortress over the Indian Ocean June 10, 2018.
The 506th EARS is a permanently assigned unit comprised of Air National Guard, Reserve and Active Duty KC-135 Stratotanker units from across the states. (U.S. Air Force photo by Airman 1st Class Gerald R. Willis)
www.dvidshub.net. Original public domain image from Flickr