https://en.wikipedia.org/wiki/Dwight_D._Eisenhower#World_War_II_(1939%E2%80%931945)
Throughout 1945, the allied armies liberated numerous Nazi concentration camps throughout Europe.
As the allies learned the full extent of the Holocaust, Eisenhower anticipated that, in the future,
attempts to recharacterize Nazi crimes as propaganda (Holocaust denial) would be made, and took
steps against it by demanding extensive photo and film documentation of Nazi extermination camps
Proof that Eisenhower was as anti-Nazi as it's possible to be.
film documentation
I’m reminded of an early electro-mechanical lightgun arcade game by Nintendo, “Sky Hawk”:
https://www.nintendolife.com/news/2022/05/rare-footage-from-nintendos-1976-16mm-film-arcade-game-sky-hawk-emerges
https://youtu.be/1-lUgkT2sz4
Which used 16mm film. So WWII was just the above, OP?