A practical reader's guide to The Black Vault, the largest publicly searchable FOIA archive of UAP material on the open web. Covers what is there, what is not, how to verify a document's provenance, and the citation conventions the Council uses when referencing Vault holdings.
The Black Vault, maintained since 1996 by John Greenewald Jr., is the largest privately operated FOIA archive on the public internet and the single most useful starting point for anyone who wants to read U.S. government UAP records in the form they actually exist — scanned PDFs, redacted memoranda, contractor reports, internal email chains, and the occasional surprisingly readable cover letter. The Council recommends it as a primary research resource for any case file work touching the 1947–present U.S. government record.
This guide is a reader’s manual: how to find what you want, how to read what you find, and how to cite it without embarrassing yourself.
What this guide does NOT do
This guide does not catalogue the Vault’s contents. The archive holds well over two million pages across UAP, intelligence-community, and adjacent national-security topics; any catalogue would be obsolete by the time it was published. This guide also does not make claims about what the documents prove. FOIA documents are evidence of what was written down, not of what was true.
What the Black Vault actually contains
The relevant UAP holdings break into roughly six categories.
- Project Blue Book case files (1947–1969). The full Blue Book microfilm has been digitized and is searchable on the Vault by case number, date, and location. Approximately 12,618 cases. The administrative correspondence around the program is filed alongside the cases themselves.
- Pre-Blue-Book program records (1947–1952). Project Sign and Project Grudge files. Smaller, often more interesting because the institutional caution had not yet calcified.
- CIA, FBI, DIA, NSA UAP-tagged documents. Released under successive FOIA actions from the 1970s through the present. These are the sources of nearly all “the FBI knew” social-media claims; the documents themselves are usually more measured than the screenshots suggest.
- AATIP / AAWSAP / UAPTF / AARO program records. The modern (2007–present) Pentagon UAP-program documentation. Heavily redacted; what is unredacted is institutionally significant.
- Service-branch UAP correspondence. Air Force, Navy, Marine Corps internal memos and incident reports. The Halt memo (Rendlesham, 1980) lives here.
- Adjacent records. Crash-retrieval lore, Project Stargate (remote viewing), MK-related material, contractor reports — useful context, often mis-cited online.
How to read a FOIA document
Three habits separate productive reading from doomscrolling.
First, read the cover letter. Every FOIA release comes with an agency cover letter that states what was requested, what was provided, what was withheld, and under which exemption. The cover letter tells you whether you are looking at a complete release or a redacted subset. The Council treats any document cited without reference to its cover letter as not yet read.
Second, learn the exemption codes. The most-cited in UAP releases:
- (b)(1) — Classified national-security information.
- (b)(3) — Information specifically exempted by another statute (the National Security Act, the Atomic Energy Act).
- (b)(5) — Pre-decisional deliberative process. Often the most-frustrating because it can shield the reasoning behind a recorded decision.
- (b)(6) and (b)(7)(C) — Personal privacy.
- (b)(7)(E) — Investigative techniques.
A document with heavy (b)(1) redactions is hiding national-security material. A document with heavy (b)(5) redactions is hiding internal disagreement. The pattern of redactions is itself information.
Third, read multiple releases of the same document. Successive FOIA suits have produced re-releases of the same underlying memos with different redaction patterns. Comparing releases sometimes reveals what a single release obscures. The Vault often hosts both versions side-by-side.
A starter reading path
For a reader new to the Vault, the Council recommends the following two-week reading order. Each is on the Vault and free.
- The Estimate of the Situation (1948, Project Sign). The internal Air Force assessment that concluded the early UAP wave was “interplanetary.” The document was destroyed by Air Force Chief of Staff Hoyt Vandenberg; what survives is the institutional memory of it in subsequent correspondence. Start here for the institutional shape of the question.
- The Robertson Panel Report (1953, declassified 1975). The CIA-convened scientific panel that recommended public-facing debunking of UAP reports as a counter-mass-hysteria measure. Critical context for everything that follows.
- The Condon Report (1969). The University of Colorado study commissioned to wind down Blue Book. Read the case studies, not the executive summary; they tell different stories.
- The Halt memo (1981, Rendlesham Forest). The unredacted memo from the deputy base commander describing the December 1980 events at RAF Bentwaters. One page. Required reading. (Council case #00007.)
- The 2021 ODNI Preliminary Assessment. Nine pages. The first modern intelligence-community public statement.
- AARO annual reports (FY2024 and FY2025). The current institutional baseline. The Council case file on the FY2025 report is #00471.
That sequence gives you the institutional arc from 1948 to 2026 in roughly 200 pages of primary source.
What the Black Vault is not
It is not a leak site. Every document on the Vault was released by a government agency under FOIA (or, in a small number of cases, declassified through normal historical-review processes). It is not a definitive archive — agencies continue to release documents that have never been digitized, and the Vault itself notes when its holdings are incomplete. It is not a substitute for the National Archives, which holds the original microfilm of Blue Book and continues to be the primary historical-research site for pre-1970 material.
The Vault is also not the only such archive. The CIA Reading Room, the FBI Vault (the Bureau’s parallel public archive), the DoD FOIA reading room, and several presidential-library archives all hold complementary material. The Council uses all of them; the Black Vault is simply the most-searchable starting point.
Citation discipline
When the Council references a Vault document, the citation includes: document title, originating agency, release date, FOIA case number where available, and the Vault URL. Example:
Air Force Form 117, Sighting Report, Levelland TX, 2 November 1957 — U.S. Air Force, released 1976, FOIA case unstated, theblackvault.com/documentarchive/blue-book-files/.
This is the minimum that allows another researcher to find the same document. Citations that omit the originating agency or release date are flagged in the Council’s editorial process.
For background reading on how the modern institutional UAP record was constructed, Imminent is the most-useful single book in the Council’s affiliate registry — Elizondo describes the FOIA process from the inside, including which records were and were not released.
A note on the next decade
The 2024 UAP Disclosure Act and its 2025 amendments created statutory frameworks for the formal review and release of historical UAP records. The volume of new material likely to enter the Vault and the National Archives over the next five years is substantial. Reading discipline matters more, not less, in that environment. A reader who has worked through the starter path above will be calibrated to read new releases productively.
Council recommended
- Imminent — Luis Elizondo — for institutional context on what the FOIA record represents
- Rite in the Rain notebook — for the surprisingly common case of taking notes on a printed document under field conditions
Other primary sources mentioned in this guide are free at theblackvault.com, archives.gov, and the CIA Reading Room.
Related cases
- Case #00021 — Washington flap (1952) — extensively documented in Blue Book and CIA records on the Vault
- Case #00471 — AARO FY2025 report — the institutional baseline most-recently published
- Case #00007 — Rendlesham Forest — the Halt memo lives in the Vault and remains the most-cited single FOIA UAP document