Left to right, U.S. Air Force Maj. Frederick Finke, Capt. Patrick McGrew, 351st Air Refueling Squadron pilots, and Col. Thomas Torkelson, 100th Air Refueling Wing commander look through the preflight checklist March 17, 2017, on Naval Station Rota, Spain. KC-135 Stratotankers are providing air refueling support for French Forces combat operations in Mali and North Africa. (U.S. Air Force photo by Senior Airman Christine Halan)