1st Lt. Greg Johnston, left, and Capt. RJ Bergman, both 40th Helicopter Squadron rescue pilots, fly their UH-1N Huey over a mountain range Jan. 27, 2015, near Malmstrom Air Force Base, Mont. The flight took the crew over a variety of terrain and altitudes, from flatlands to valleys and mountains. (U.S. Air Force photo/ Airman 1st Class Dillon Johnston)