U.S. Airman 1st Class Christie Gentile uses hot air to de-ice the radome of a U.S. Air Force F-16 Fighting Falcon during exercise RED FLAG-Alaska 12-1, Eielson Air Force Base, Alaska, Oct.13. During cold weather, flight controls can freeze making the aircraft unmovable. Gentile is a crew chief assigned to the 8th Aircraft Maintenance Squadron, Kunsan Air Base, Republic of Korea. (U.S. Air Force photo/Staff Sgt. Christopher Boitz (Released))