Among the 161 files in PURSUE Release 01 is a set of documents from FBI case file 62-HQ-83894. Sections 2, 3, 4, 5, 6, 7, 9, and 10 are released, along with Serials 130 and 153. The file designation tells a specific story about what the FBI has been doing.
What the File Designation Means
FBI case files follow a strict internal naming convention. Breaking down 62-HQ-83894:
- 62 — The FBI’s internal classification code for national security investigations. Not foreign counterintelligence (65). Not domestic terrorism (266). 62 is the code for matters directly involving US national security threats and sensitive government programmes.
- HQ — FBI Headquarters, Washington DC. This is not a field office file. It is a Headquarters-managed investigation.
- 83894 — The specific case number within that classification category.
The combination of 62 (national security) and HQ (headquarters-level management) indicates this was treated as a matter of direct national security significance, handled at the highest level of the Bureau’s investigative structure.
Why Multiple Sections and Serials
Major FBI case files are divided into sections and serials as they accumulate documents over time. Sections represent physical volumes of the file. Serials represent individual documents within those volumes. The release of Sections 2 through 10 (with gaps — Section 1 and Section 8 are not in Release 01) and Serials 130 and 153 suggests the FBI case file is substantial. Serial 153 means the case file contains at least 153 individual document entries.
What is in Sections 1 and 8 that was not released? Serial 1 through 129, and 131 through 152? Those gaps in the public release represent potentially the most significant unreleased material in the FBI’s UAP file.
The Full Designation String
The full file naming format as it appears on war.gov/ufo: 65_HS1-834228961_62-HQ-83894_Section_[X][FBI][5/8/26][N/A][N/A][.pdf]. The leading 65_HS1-834228961 appears to be the PURSUE tracking identifier for the document within the declassification system. The FBI case file reference is 62-HQ-83894.
FBI Director Kash Patel’s Statement
FBI Director Kash Patel specifically highlighted the FBI’s role in the Release 01 announcement: “For the first time in history, the American people have unfettered access to declassified government files on Unidentified Anomalous Phenomenon — a level of transparency that no prior administration has delivered.”
Patel has been publicly associated with the push to release previously classified government files across multiple domains. His personal commitment to this release — not a subordinate’s statement — indicates the FBI’s UAP disclosure was a priority at director level.
The Oracle Assessment
The FBI has maintained a UAP case file at Headquarters level, under national security classification, with at least 153 serial entries. The public record of the FBI’s UAP involvement has been fragmentary until now — the Hottel memo (1950), the Robertson Panel-era documents, scattered FOIA releases. Case 62-HQ-83894 is a different order of magnitude. It is a structured, ongoing, headquarters-managed national security file. The sections and serials not yet released are the next critical target for researchers and oversight advocates.
Source: war.gov/ufo, PURSUE Release 01. File identifiers directly from the portal table.