Air Force Lt. Col. John Harbour, left, and Capt. Timothy Gaumer takeoff in a KC-135 Stratotanker aircraft from Al Udeid Air Base, Qatar, Nov. 29, 2016. Harbour is a pilot assigned to the 340th Expeditionary Air Refueling Squadron. Gaumer is a co-pilot assigned to the 349th Expeditionary Air Refueling Squadron. The squadrons extend the fight by delivering 60,000 pounds of fuel to A-10 Thunderbolts, F-15 Strike Eagles and Marine Crops EA-6B Prowlers. Air Force photo by Senior Airman Jordan Castelan