Army Sgt. Joseph Snock, of Apollo, Pennsylvania, was 21 when he went missing in North Korea after heavy fighting on Nov. 29, 1950. (Medill School of Journalism - Northwestern University)
Army Sgt. Joseph Snock, of Apollo, Pennsylvania, was 21 when he went missing in North Korea after heavy fighting on Nov. 29, 1950. (Medill School of Journalism - Northwestern University)