Soldiers attach a snow chain onto a high mobility multipurpose wheeled vehicle tire as part of winter training class, Oct. 26, 2013, at Bagram Air Field, Parwan province, Afghanistan. This training teaches the soldiers how to properly apply snow chains on tires and how to operate their vehicles in cold weather conditions. (U.S. Army photo by Sgt. Sinthia Rosario, Task Force Lifeliner Public Affairs)