Private First Class Green was a member of Company E, 2nd Battalion, 8th Cavalry Regiment, 1st Cavalry Division. He was seriously wounded by the enemy in South Korea on September 14, 1950 and returned to duty on October 1, 1950. He was taken Prisoner of War while fighting the enemy near Unsan, North Korea on November 2, 1950 and died while a prisoner on June 30, 1951. His remains were not recovered at the time. Through the work of the Defense POW/MIA Accounting Agency, the remains of Pfc. Green were accounted for in 2017. His name remains permanently inscribed on the Courts of the Missing at the Honolulu Memorial.