Ua ʻōlelo ʻia i ka makahiki 1947, ua hāʻawi ʻo Pelekikena Harry Truman i ke kauoha no kahi komite huna e noiʻi i ka Roswell Incident. ʻO kēia kōmike he 12 mau kānaka, ʻo ia hoʻi nā kānaka ʻepekema kaulana, nā generals, a me nā kālai'āina. Ua hiki mai ka hui i ka hopena ua pili maoli ka Incident i kahi mokuahi extraterrestrial i kuʻi a make i kona poʻe a pau e noho ana, ma waena o ʻekolu a me ʻehā.
ʻO ka Majestic 12, a i ʻole MJ-12 no ka pōkole, ua noi aku i kahi kauoha hoʻokō e hoʻokumu i kahi pūʻali koa no ke kumu o ka loaʻa ʻana a me ke aʻo ʻana i ka extraterrestrial a me kā lākou mokuahi, no laila ka hopena o ka Area 51.
Nui nā kiʻi o nā leka aupuni e pili pono ana i kēia hui e hoʻolaha nei i ka Pūnaewele, me ka leka kaulana 1947 mai Pelekikena Truman, e ʻae ana i ka CIA e hana i ka M-12. ʻO ka leka, e like me ka poʻe kānalua, ua hana piha ʻia.
Kākoʻo nui ʻia kēia manaʻo e ia mau palapala, ʻo ia mau mea a pau, e hoʻomaka ana i ka makahiki 1978, i hana ʻia a ʻaʻole paha i loaʻa. Hoʻokahi māhele:
"ʻO ke kulekele aupuni aupuni US a me nā hopena o Project Aquarius ua hoʻopaʻa ʻia ʻo TOP SECRET me ka ʻole o ka hoʻolaha ʻana ma waho o nā kahawai a me ke komo ʻana i ka 'MJ TWELVE'."
ʻO ka hōʻike hōʻoiaʻiʻo loa, akā naʻe, i manaʻo ʻia e ka poʻe kānalua he ʻoiaʻiʻo, he palapala i waiho ʻia i kēia manawa ma ka National Archives ma Wakinekona, DC ʻO ka palapala he memo Iulai 14, 1954, memo mai Robert Cutler, kōkua kūikawā i ka Pelekikena Eisenhower, i ʻōlelo ʻia. ia Gen. Nathan Twining. Heluhelu ia:
“Memorandum no General Twining. Kumuhana: NSC/MJ-12 Papahana Haʻawina Kūikawā. Ua hoʻoholo ka Pelekikena i ka MJ-12 SSP "
Ua hoʻolilo ʻo MJ-12 i ka moʻomeheu sci-fi kaulana, me "Nā X-Files," a ua manaʻo mau ʻia ʻo ia he kūkākūkā papaʻaina a nā poʻe loea he ʻumikūmālua i ka mea e hana ai e pili ana i ka hōʻoia ʻana o ke ola ʻana o nā extraterrestrials, ʻo ka mea nui pehea e mālama ai i ka lehulehu i ka pōʻeleʻele.
ʻO ka poʻe i hoʻopiʻi ʻia he lālā o MJ-12, i kekahi manawa a i ʻole, ʻo Albert Einstein, Robert Oppenheimer, Robert Cutler, Omond Solandt, Robert Sarbacher, John von Neumann (pili pololei me ka Philadelphia Experiment), Karl Compton, General Nathan Twining , a me Eric Walker.