The Twining Memo: When the Air Force Admitted UFOs Were Real
# The Twining Memo: When the Air Force Admitted UFOs Were Real
By DeClassX
Long before the Pentagon's All-domain Anomaly Resolution Office began publishing UAP reports, and years before Project Blue Book became the government's official — and often ridiculed — answer to public curiosity about unidentified flying objects, a single classified letter quietly changed the trajectory of American military intelligence. That letter was signed by Lieutenant General Nathan F. Twining, Commanding General of Air Materiel Command (AMC), and it said, in bureaucratic but unmistakable terms, that the flying disc phenomenon was worth taking seriously.
The page reproduced in this archive is a copy of the closing section of that correspondence — known in UAP research circles as the Twining Memo — addressed from the Commanding General of AMC at Wright Field to the Commanding General of the Army Air Forces in Washington, D.C. The subject line alone is arresting: "AMC Opinion Concerning 'Flying Discs.'" The year was 1947. The summer of Kenneth Arnold's famous sighting over Mount Rainier, the Roswell incident, and a cascade of public reports had placed enormous pressure on military leadership to produce answers. Twining's letter was, in part, that answer — delivered not to the press, but internally, under a SECRET classification stamp.
What survives on this particular page is the document's conclusion, and even in its fragmentary state it rewards careful reading. The visible text picks up mid-sentence, describing how an investigation should "develop" and issuing a pointed directive: "A complete interchange of data should be effected." In the language of military correspondence, this is a command. Twining was not suggesting that various labs and divisions share notes if convenient. He was ordering a coordinated, structured flow of intelligence across the organization.
The paragraph that follows is arguably the most significant on the page. "Awaiting a specific directive," Twining writes, AMC will "continue the investigation within its current resources in order to more closely define the nature of the phenomenon." Two things stand out here. First, the phrase "awaiting a specific directive" tells us this letter was not the end of the conversation — Twining was signaling upward to Washington that AMC needed formal authorization and presumably additional resources to go further. Second, the explicit commitment to defining "the nature of the phenomenon" is a remarkably open-ended mandate. He did not write "the nature of the hoax" or "the nature of misidentified aircraft." The language leaves the question genuinely open.
Twining also notes that "Detailed Essential Elements of Information" — a formal military intelligence term referring to specific, prioritized data requirements — would be "formulated immediately for transmittal thru channels." This is the machinery of a real intelligence collection effort being set in motion, not a public-relations exercise designed to reassure a jittery citizenry.
Perhaps the most revealing feature of this page is not the text itself, but the coordination list appended below Twining's signature. Military correspondence of this era was routinely "coordinated" — meaning reviewed and approved — by relevant subject-matter authorities before it went out. The names and roles listed here read like a who's-who of American aerospace engineering in 1947: Colonel Moore from the Aircraft Laboratory, Mr. D.A. Dickey from the Propeller Laboratory, General D.L. Putt from the Engineering Division, Colonel Minty from the Power Plant Laboratory, and General Bretnell from T-3, the Technical Intelligence division. This was not a letter drafted by a public affairs officer. It was coordinated by the people who built and evaluated aircraft for the most advanced air force in the world. Their involvement suggests that AMC was approaching the flying disc question as a genuine engineering and intelligence problem — assessing whether these objects represented a technology that needed to be understood, replicated, or defended against.
Nathan Twining himself is a figure worth pausing on. At the time of this letter, he was one of the most experienced and decorated officers in the U.S. military. He had commanded air operations in the Pacific and Mediterranean theaters during World War II and would go on to become Chairman of the Joint Chiefs of Staff under President Eisenhower. He was not a man given to chasing phantoms. When Twining put his name on a document calling for a systematic investigation of flying discs, it carried institutional weight that cannot be easily dismissed.
The broader context of the summer of 1947 is essential for understanding why this letter existed at all. In the two years since the end of World War II, American intelligence agencies were acutely aware that the Soviet Union had acquired significant portions of Germany's advanced aerospace research, including rocket technology developed at Peenemünde. The possibility that some of the disc-shaped objects being reported over American territory represented Soviet reconnaissance craft was not paranoid speculation — it was a legitimate threat assessment. At the same time, some analysts could not rule out that the technology was so far beyond known capabilities that it required a different kind of explanation entirely. Twining's letter navigated this uncertainty by refusing to close any doors prematurely.
The document as preserved here is a copy — noted explicitly in the header and footer — stamped SECRET and carrying the file reference U-39552. Its declassification opened a window onto a moment when the U.S. military's institutional response to the UFO question was, however briefly, characterized by genuine scientific curiosity rather than reflexive denial.
What this page cannot tell us is equally important. The full text of the Twining Memo — particularly its earlier sections, which reportedly described specific characteristics of observed objects — is where the most debated content resides. The fragment here represents the operational conclusion: investigate, share data, await further orders. Whether those further orders ever came in a form that satisfied Twining's request, and what the Essential Elements of Information ultimately collected, remains a thread that UAP researchers continue to pull.
For anyone tracing the institutional origins of American government interest in unidentified aerial phenomena, this document is not a footnote. It is a founding text — the moment a four-star signature made flying discs an official problem worth solving.
— DeClassX
This article is grounded in a declassified document from the X-Vault UAP Files Archive. Read the original document →