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For more than seven decades, sovereign governments, defense departments, and intelligence agencies around the world have quietly or openly investigated Unidentified Anomalous Phenomena (UAP). From early Cold War military assessment projects tasked with determining whether unidentified aerial craft posed national security threats, to contemporary multidisciplinary offices mandated by legislative transparency laws, the state-level response to anomalous aerospace and transmedium events represents a vital historical record.
This hub serves as a global research directory documenting the official bodies, task forces, scientific desks, and intelligence programs established by world governments to collect, analyze, and resolve UAP reports. Rather than treating sightings as isolated mysteries, this repository tracks the institutional architecture of disclosure, investigating how defense establishments process anomalous sensor data, implement reporting protocols, and communicate findings to the public and oversight committees.
To facilitate research across historical archives and ongoing defense efforts, profiles in this directory are indexed across two dimensions:
Primary Jurisdiction: Explore initiatives by country, detailing how different national legal and military frameworks address the phenomenon. Trace the lineage of American military oversight—from early efforts like Project Sign, Project Grudge, and Project Blue Book through the Advanced Aerospace Weapon System Applications Program (AAWSAP), the Advanced Aerospace Threat Identification Program (AATIP), the UAP Task Force (UAPTF), and the All-domain Anomaly Resolution Office (AARO). Contrast these defense-centric efforts with civilian and scientific reporting models abroad, such as France’s GEIPAN under CNES, the United Kingdom’s historical Ministry of Defence UFO Desk, Chile’s CEFAA, Peru’s DIFAA, and other multilateral initiatives across the Americas, Europe, and Asia-Pacific.
Operational Status: Distinguish between defunct, historical programs and currently active offices. Inactive projects provide critical context regarding declassified records, historical collection methodologies, and project conclusions. Active agencies detail ongoing mandates, public reporting channels, congressional and parliamentary testimony, and current sensor integration standards across air, maritime, and space domains.
Database Last Updated:
October 1, 2026The primary active UAP investigation body in the United States is the All-domain Anomaly Resolution Office (AARO). Operating under the Department of Defense, AARO is currently tasked by Congress with tracking, analyzing, and resolving reports of unidentified anomalous phenomena across military, civilian, and transmedium environments.
While without an standing office, The PURSUE program (which stands for the Presidential Unsealing and Reporting System for UAP Encounters) is best categorized as an interagency declassification program and public-facing portal, rather than a standalone investigative office or agency.
When historical investigations like the U.S. Air Force’s Project Blue Book or Project Grudge are officially closed, their status becomes defunct. The declassified files, incident reports, and operational histories of these closed aerospace anomaly programs are eventually preserved in national archives, providing researchers with decades of foundational UAP data.
Yes, Europe has a robust history of official public-facing UAP research. The most prominent active example is France’s GEIPAN (Study and Information Group on Unidentified Aerospace Phenomenon). Operating within the French national space agency (CNES), this civilian scientific unit rigorously investigates, explains, and publishes regional aerospace anomaly data.
Across the Americas – Not U.S. region, South American nations maintain some of the world’s most transparent reporting frameworks. Chile’s CEFAA (Committee for the Study of Anomalous Aerial Phenomena) and Peru’s DIFAA are prime examples of active, military-backed agencies dedicated to investigating regional aerospace anomalies and collaborating with civil aviation authorities.
In the Rest of World region—encompassing nations across Asia, Africa, and Oceania—tracking efforts are often handled directly by national defense ministries or aviation authorities rather than dedicated, public-facing UAP offices. However, evidence of historical, defunct tracking programs frequently emerges in declassified military records from countries like Australia and Japan.
Documentation for reclassified or absorbed programs—such as the Advanced Aerospace Threat Identification Program (AATIP) or the Advanced Aerospace Weapon System Applications Program (AAWSAP)—can be found in our directory. These entries link to officially released Pentagon reports, congressional hearing transcripts, and FOIA-released documents from the United States government.
If you have published (or found online) meaningful UAP material that you feel belongs in our database, please submit it via the form below. We’ll review your submission and consider it for inclusion in our repository.