Tech. Sgt. Warren Weldon performs an air refueling procedure in the Boom Operator Weapon System Trainer on Jan. 9, 2012, at McConnell Air Force Base, Kan. The BOWST is used to train boom operators for real-world operations while saving money and flying hours. Weldon is a 344th Air Refueling Squadron boom operator instructor. (U.S. Air Force photo/ Airman 1st Class Maurice Hodges)