Sergeant Lebel was a medic with the Medical Company, 7th Cavalry Regiment, 1st Cavalry Division. He was seriously wounded by the enemy while tending his wounded comrades in South Korea on 10 March 1951 and died of those wounds later that day.

Lebel was awarded the Purple Heart, 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.