Private First Class Kincaid was a Food Service Apprentice with the 35th Infantry Regiment, 25th Infantry Division. He was seriously wounded by the enemy in South Korea on 2 August 1950 and returned to duty on 23 August 1950. He was Killed in Action while fighting the enemy in South Korea on 24 September 1950.

Kincaid was awarded the Purple Heart with Oak Leaf Cluster, 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.