An F-15 Eagle is refueled by a KC-135 Stratotanker from the 434th Air Refueling Wing during training near Jacksonville International Airport, Fla., on July 20. The F-15 is from the 125th Fighter Wing. The training helps aircrews from both units stay proficient in mid-air refueling. (Air National Guard photo/Master Sgt. Shaun Withers)