![Talos IV (file) content](https://cdn.statically.io/img/static.wikia.nocookie.net/memoryalpha/images/a/a9/Talos_IV_%28file%29_content.jpg/revision/latest/scale-to-width-down/180?cb=20050113015119&path-prefix=en)
3XY phagrin level mentioned in the Talos IV file
3XY phagrin level was a phrase mentioned in the top secret file entitled "Talos IV".
According to the file, known facts about Talos IV were "detailed information cross referenced with 3XY phagrin level - mass computer." (TOS: "The Menagerie, Part I")