U.S. Air Force Airman 1st Class Scott Weeks, 52nd Civil Engineer Squadron firefighter, from Green Bay, Wis., grasps the fire hose at the sound of the starting whistle during the first Mosel Firefighter Combat Challenge in Ediger-Eller, Germany, July 6, 2014. The obstacle simulates carrying a hose up a burning building to extinguish a fire. (U.S. Air Force photo by Staff Sgt. Christopher Ruano/Released)