Airmen test their limits at autocross
An F-16 Fighting Falcon, one of the Air Force's most powerful single-engine fighters, races an XJR15 Jaguar down a one-mile stretch of runway Sept. 29 at Nellis Air Force Base, Nev . The F-16 won the race, one of three special events held during the two-day Nellis Autocross. (U. S. Air Force photo/Airman 1st Class Nadine Barclay)