The military says a U.S. Army soldier from Kingsport has died in eastern Afghanistan after suffering wounds when his unit was attacked. The Department of Defense announced yesterday the death of 35-year-old Sgt. 1st Class Jason O. B. Hickman of Kingsport. The military said he was wounded last Thursday when enemy forces attacked his unit at a combat outpost with an improvised explosive device and small arms fire. He was assigned to Brigade Special Troops Battalion, 4th Airborne Brigade Combat Team, 25th Infantry Division, based at Fort Richardson, Alaska.