Private Delgado was a member of the 15th Infantry Regiment, 3rd Infantry Division. He was Killed in Action while fighting the enemy in North Korea on 4 October 1951.

For his leadership and valor, Private Delgado was awarded the Silver Star Medal, 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.