190423-Z-UU033-005

Airmen from the 121st Maintenance Group prepare a CFM-56 turbofan engine for shipment April 23, 2019, at Rickenbacker Air National Guard Base, Ohio. The 121st Air Refueling Wing's KC-135 Stratotankers have four of these engines, each capable of producing 21,634 pounds of thrust. (U.S. Air National Guard photo by Ralph Branson)