U.S. Air Force Airman 1st Class Mitch Whitman, 354th Logistics Readiness Squadron vehicle maintenance apprentice, prepares to remove gears from a snow broom differential Jan. 9, 2014, at Eielson Air Force Base, Alaska. A differential allows a pair of wheels to rotate at different speeds. (U.S. Air Force photo by Senior Airman Joshua Turner/Released)
<br>Unit: 354th Fighter Wing
Senior Airman Joshua Turner
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