One day, my log will have something to say about this. This article is a stub. You can help Twin Peaks Wiki by expanding it. Majestic 12 (or MJ-12) was the code name of a secret committee of scientists, military leaders, and government officials, formed to facilitate investigation of unidentified flying objects. ReferencesEdit ↑ The Secret History of Twin Peaks Retrieved from "https://twinpeaks.fandom.com/wiki/MJ12?oldid=33991" Categories: Stubs Supernatural Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.