Late in the 1980s, two documentary film makers found six German men, all in their 60s and 70s, who had been soldiers in the German invasion of the USSR in 1942. Each carried an 8mm camera into battle and they still had their film.
View: https://www.youtube.com/watch?v=Jzt0V2mhL90
View: https://www.youtube.com/watch?v=Jzt0V2mhL90