KC-135 Stratotanker aircraft
A U.S. Air Force KC-135 Stratotanker, assigned to the 350th Expeditionary Aircraft Refueling Squadron, flies over Qatar, Feb. 13, 2021. Through an innovative project, the Air Force is attempting to create new fuel options aircraft use including carbon transformation that can turn carbon dioxide from the air into nearly any chemical, material, or fuel, including jet fuel. (U.S. Air Force photo by Master Sgt. Joey Swafford)
U.S. Air Force photo by Master Sgt. Joey Swafford