GRAND FORKS AIR FORCE BASE, N.D. -- A crew chief with the 319th Aircraft Maintenance Squadron adjusts his headset here Jan. 29 during a post-flight inspection. Crew chiefs routinely work in sub-zero temperatures here. On this day, the wind chill index was minus 22. (U.S. Air Force photo/Senior Airman J.Paul Croxon)
GRAND FORKS AIR FORCE BASE, N.D. -- A 319th Air Refueling Wing KC-135 awaits maintenance crews before take off on the flight line Jan. 29. Crew chiefs routinely work in sub-zero temperatures here. On this day, the wind chill index was minus 22. (U.S. Air Force photo/Senior Airman J.Paul Croxon)