Sergeant First Class Tadlock was a medic with the Medical Company, 9th Infantry Regiment, 2nd Infantry Division. He was taken Prisoner of War while tending his wounded comrades in North Korea on 1 December 1950 and died in a prison camp on 15 February 1951.

Tadlock was awarded the Combat Medical Badge, the Korean Service Medal, the United Nations Service Medal, the National Defense Service Medal, the Korean Presidential Unit Citation and the Republic of Korea War Service Medal.