Nathan Ross Chapman (23 April 1970 – 4 January 2002) was a United States Army Sergeant First Class with the 1st Special Forces Group. He was the first American soldier to be killed in combat in the war in Afghanistan.Born at Andrews Air Force Base where his father was stationed, Nathan Chapman grew up in a variety of towns across the United States, but listed his hometown as San Antonio, Texas when he joined the military at the age of 18.