File 26147 · July 2, 1952
Tremonton Utah Film
Tremonton, United States
Opened 9/9/2026
Ledger illustration of the file — not a photograph of the object. Ledger illustration of the report. — Night Ledger illustration of the file
Standing
Unidentified
On the public record, and still open. A claim, paper, or film — not a finding that it was ours, and not a finding that it was not.
Tremonton, Utah 1952 Blue Book Film
U.S. National Archives (Black Vault digitized copy)
Original tape · original language kept
English writing · original voice kept
English writing of the original tape. Tremonton Utah Film — U.S. National Archives (Black Vault digitized copy). The voice on the recording is left as it was spoken.
16mm film frames from Navy photographer Delbert Newhouse.
What was claimed
Navy Warrant Officer Delbert Newhouse and his family filmed a formation of bright, metallic-looking objects maneuvering in the daytime sky with a 16mm camera.
What is on the record
This file is a working record — a report, not a verdict. Official paper, if any, is linked where we have it.
While driving near Tremonton, Utah, Navy photographer Delbert C. Newhouse, his wife, and children observed a group of twelve to fourteen bright objects in the clear blue sky. Newhouse stopped the car and used his Bell & Howell 16mm movie camera with telephoto lens to film approximately 90 seconds of footage showing the objects in formation, some appearing to hover and maneuver. The film was submitted to the Air Force and analyzed as part of Project Blue Book and earlier projects. The Photo Reconnaissance Laboratory spent significant time studying it. While some analysts suggested birds or aircraft, others, including early Project Blue Book head Edward Ruppelt, found it compelling. The case remains one of the more discussed Blue Book films.
Could this have been ours?
The known sky, that night.
Before Sputnik the known lights were planets, meteors, aircraft, and balloons. No station. No Starlink.
Always
Venus and the bright planets
A fixed brilliant point. Does not streak. Does not hover over a street then leave. Often the first misread light in a rural report.
Always
Aircraft, balloons, meteors
Landing lights, flares, lanterns, reentries, fireballs. They are on the known sky. They do not close a file by themselves — they are what a serious look has to hold the claim against.
Orbit · Space — the desks for lights that are already named.
Sources
Related files
Same craft, same place, same years. A neighbor in the catalogue — not a conclusion.

Same craft · Same country · 10 September 2026, night
Mysterious lights over the Las Vegas valley
Las Vegas, Nevada · United States
Unidentified
KLAS aired a viewer video of sparkling lights hovering in the Las Vegas night sky on 10 September.

Same craft · Same country · 6 September 2026, noon
Four objects after a military flyby, Central California
Central California · United States
Unidentified
A noon post from central California described four objects after military aircraft passed, then all of them gone.

Same craft · Same country · September 5, 2026, shortly before sunset
Shimmering Cluster of Lights Over Maitland, Florida
Maitland, Florida · United States
Unidentified
Multiple residents observed and filmed a cluster of mysterious shimmering, sparkling lights in the sky that appeared shortly before sunset.

Same craft · Same country · August 2026
Multi-light object, Coeur d’Alene
Coeur d'Alene, Idaho · United States
Unidentified
A lake-country report described a large multi-light object that hovered, then dropped behind the trees.

Same craft · Same country · August 2026
Lights over the Las Vegas valley
Las Vegas, Nevada · United States
Unidentified
Valley posts described pale lights hovering on the desert edge of the city, away from the Strip.

Same craft · Same country · August 2026
Cluster of six orange lights, Fresno
Fresno, California · United States
Unidentified
A valley-city report described six solid orange lights clustered over Fresno, not aircraft strobes.
