Sergeant Kiek was a member of Battery D, 15th Anti-Aircraft Artillery (Automatic Weapons) Battalion, 7th Infantry Division. He was listed as Missing in Action while fighting the enemy near the Chosin Reservoir, North Korea, on 2 December 1950. He was presumed dead on 31 December 1953. His remains were not recovered. His name is inscribed on the Courts of the Missing at the Honolulu Memorial.

For his leadership and valor, Sergeant Kiek was awarded the Bronze Star Medal, 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.