Sergeant Jay Kenney, 26, with the 101st Airborne Division, Task Force Destiny, assists wounded Afghan National Army (ANA) soldiers off the Blackhawk UH-60A helicopter after they were rescued in an air mission in Kandahar on December 12, 2010 in Kandahar province, Afghanistan. Getty Images

As US-Taliban truce starts, UN says Afghan civilian casualties pass 100,000