https://www.popularmechanics.com/military/research/g35781361/30-most-shocking-government-secrets/
https://nymag.com/intelligencer/article/leaked-pentagon-documents-what-we-know.html
https://en.wikipedia.org/wiki/2022%E2%80%932023_Pentagon_document_leaks
https://www.popularmechanics.com/military/aviation/a43918091/new-shape-of-modern-ufos/
https://www.popularmechanics.com/military/research/a30916275/government-secret-ufo-program-investigation/
https://www.popularmechanics.com/science/a40992477/government-report-non-man-made-ufos/
https://www.npr.org/sections/thetwo-way/2011/06/13/137148143/40-years-later-pentagon-papers-being-declassified-go-online-today
https://www.archives.gov/research/pentagon-papers
https://coffeeordie.com/the-pentagon
https://www.popularmechanics.com/science/health/a44775607/pentagon-trying-to-modulate-rem-sleep/
https://news.clearancejobs.com/2019/06/15/6-surprising-facts-you-didnt-know-about-the-pentagon/
https://archive.seattletimes.com/archive/?date=19911216&slug=1323332
https://www.history.com/news/9-things-you-may-not-know-about-the-pentagon
https://www.defense.gov/News/Feature-Stories/story/article/1650913/10-things-you-probably-didnt-know-about-the-pentagon/
https://www.rd.com/list/pentagon-facts/
https://www.atlasobscura.com/places/pentagon-hot-dog-stand
https://en.wikipedia.org/wiki/Weather_Underground
https://www.newyorker.com/tech/annals-of-technology/zero-dark-cavity?_sp=47aa622f-bf08-4501-a5ec-2fc9b8823bfd.1704678444190
https://www.liveabout.com/pentagon-support-for-war-films-3438458
https://www.kickassfacts.com/25-amazing-pentagon-facts/