Case File · AARO · First Saucer Wave (1947-1952) Declassified May 8, 2026 · PURSUE Release 01

1951 UAP Sighting — AARO Records (D213P2 var 2)

UFO Visual Sighting

Project GRUDGE was reestablished in October 1951 and continued through March 1952. The document does not provide details about specific observations or events related to this project, only its timeframe.

October 1951
Unknown location
Source document: PURSUE doc 213
Source document: PURSUE doc 213 · Source: declassified document

Background

A UFO/UAP incident extracted from page 2 of aaro historical record vol1 2024, an All-domain Anomaly Resolution Office (AARO) document published in 2024-2025. The incident is dated October 1951 and located in Unknown location.

What the document records

Project GRUDGE was reestablished in October 1951 and continued through March 1952. The document does not provide details about specific observations or events related to this project, only its timeframe.

Witnesses on file: not specified in the released document.

Status of the case

The page-level assessment recorded in the document is: no agency assessment. AARO designates unresolved cases as those for which the agency has not concluded the events were anomalous, has not concluded they were conventional, and has not ruled out either possibility. Conventional candidates for sightings of recent periods include drones, classified test platforms, satellite re-entry, balloon traffic, atmospheric optical phenomena, and astronomical objects.

Sources