Private First Class Benziger was a member of the 23rd Infantry Regiment, 2nd Infantry Division. He was seriously wounded by the enemy in Korea on 23 August 1950 and died of those wounds later that day.

Benziger was awarded the Purple Heart, the Combat Infantryman's 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.