In the middle of the Fort Campbell Army post, a simulated version of a military operations center in Afghanistan has sprung up under a maze of tents that is bustling with a mix of international and American military forces.
The 101st Airborne Division's headquarters is preparing to take over control of NATO troops in eastern Afghanistan this winter, but the division will face new and different challenges compared to its last deployment during the troop surge in 2010 and 2011.