Private First Class Mazzaufo was a medic with the Heavy Mortar Company, 7th Cavalry Regiment, 1st Cavalry Division. He was Killed in Action while tending his wounded comrades in North Korea on 6 October 1951.

Mazzaufo was awarded the Purple Heart, the Combat Infantryman 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.