U.S. paratroopers assigned to Chaos Troop, 1st Squadron (Airborne), 40th Cavalry Regiment, pull security in a wadi after dismounting from the mine resistant ambush protected vehicle near the Shewak district during an Afghan National Army-led patrol May 10. Chaos Troop, or “C” Troop is stationed at Combat Outpost Wilderness and is part of Task Force 4-25 Brigade deployed to support Operation Enduring Freedom.