Air Nea Green River, Utah UAP Encounter, 1947 — USAAF Box 7 #102
Documentation from the U.S. Army Air Forces records an unidentified object sighting near Air Nea Green River, Utah, during the 1947 saucer wave.
Incident Overview
In 1947, near Air Nea Green River, Utah, the U.S. Army Air Forces recorded an unidentified-object incident that became Incident #102 in the “Check-List - Unidentified Flying Objects” series archived in Box 7 of file 38_141685. The records were released by the Department of War on May 8, 2026, as part of the Presidential Unsealing and Reporting System for UAP Encounters (PURSUE). The summary records that an unspecified observer reported a sighting near Air Nea Green River, Utah. This specific case is classified as a pilot or aircrew sighting, meaning the object was observed directly from the cockpit during active flight.
Historical Context
The timing of the Air Nea Green River sighting places it within the primary wave of “flying saucer” reports that permeated the United States during the summer of 1947. This period of heightened aerial anomaly reporting followed the Kenneth Arnold sighting in June 1947 and the widely discussed Roswell incident in July 1947. During this era, the phenomenon of unidentified aerial phenomena was often characterized by descriptions of metallic, disc-shaped objects moving at high velocities. The geographic location of the sighting, situated in the high desert landscapes of Utah, is significant given the region’s proximity to various military installations and flight corridors active during the early Cold War. The rugged terrain and vast, open skies of the American Southwest frequently served as the backdrop for numerous aerial observations during this decade.
Documentation and Classification
Incident #102 is part of a larger, formalized effort by the U.S. Army Air Forces to catalog aerial anomalies through a standardized “Check-List - Unidentified Flying Objects” series. This archival material, preserved in Box 7 of file 38_141685, represents an early attempt at systematic data collection regarding unknown aerial phenomena. The release of these documents under the PURSUE program highlights the transition of such records from classified military archives to public-facing historical documentation. While the specific details of the observer’s identity and the precise characteristics of the object remain absent from the summary, the existence of the entry confirms that the military was actively monitoring and documenting such occurrences as part of their operational awareness.
Analytical Status and Potential Explanations
All records released under the PURSUE program are designated as unresolved by the All-domain Anomaly Resolution Office. The federal government has maintained a neutral stance regarding the 1947-era incidents, as it has neither concluded that these sightings were anomalous nor confirmed them to be conventional. Consequently, the Air Nea Green River encounter remains an open case within the official record.
Researchers and historians often examine these mid-century sightings through the lens of contemporary technological developments. Conventional candidates for the 1947 saucer wave include the Project Mogul balloon flights, which were active over the U.S. Southwest at the time to detect Soviet nuclear tests. Other potential explanations involve the observation of experimental jet and rocket aircraft, which were undergoing rapid development during the post-war period. Furthermore, atmospheric optical effects or the misidentification of astronomical objects at unusual angles are frequently cited as possible sources for such reports. Without further corroborating data from the original observer, the nature of the object in the Air Nea Green River incident remains undetermined.