The McMinnville (Trent) photographs — 11 May 1950
- Date observed
- 11 May 1950
- Location
- Trent farm, near Sheridan, Yamhill County, Oregon, USA
- Coordinates
- 45.0998°, -123.4007°
- Witnesses (est.)
- 2
- Verdict
- Inconclusive
Two photographs taken on the evening of 11 May 1950 by farmer Paul Trent at his property near Sheridan, Oregon, show a metallic, disc-shaped object hanging in the sky west of the farmhouse. The images were investigated by Project Blue Book, the Condon Committee (1968), and several independent analysts over seven decades. The Condon Report's photoanalyst concluded the object was "an extraordinary flying object" and could not be shown to be a hoax. Subsequent skeptical re-analyses have argued for a small model suspended from overhead wires. The Council assesses the case as Inconclusive.
On the evening of 11 May 1950, Evelyn Trent, a farm wife living with her husband Paul on a rural property roughly nine miles southwest of McMinnville, Oregon, was returning from feeding rabbits in the yard when she saw a metallic disc-shaped object moving slowly through the sky to the west of the farmhouse. She called her husband. Paul Trent retrieved a Universal Camera Corporation Roamer 1 roll-film camera from inside the house, returned to the yard, and exposed two frames before the object moved off and disappeared. The film was finished out over the following days on family snapshots, developed locally, and the prints were initially shown only to Paul Trent’s father and a small number of neighbors.
The photographs were eventually published in the local McMinnville Telephone-Register on 8 June 1950, picked up by the International News Service, reproduced in Life Magazine on 26 June 1950, and subsequently studied by Project Blue Book, the National Investigations Committee on Aerial Phenomena (NICAP), and most consequentially the University of Colorado UFO Project — the so-called Condon Committee — whose 1968 final report devotes a chapter to the case as “Case 46.”
The McMinnville photographs are, by most measures, the most studied UFO photographs in the documentary record. Seven decades of analysis have produced two roughly equally well-defended conclusions: that the photographs depict a large, distant, structured object of unknown origin, and that they depict a small model suspended from overhead wires running between the house and a nearby utility pole. The Council does not adjudicate between these positions. We hold the case as Inconclusive on its evidentiary merits and treat it as a case study in the limits of single-witness photographic evidence.
What was reported
The Trents’ account, given to the Telephone-Register reporter Bill Powell on 7 June 1950 and substantially unchanged in subsequent retellings to investigators (Air Force, NICAP, the Condon Committee, and later researchers), runs as follows:
At approximately 7:30 PM Pacific Standard Time on the evening of 11 May 1950, Evelyn Trent was walking back toward the farmhouse after feeding rabbits in the yard. She looked up, saw a slowly moving, disc-shaped object in the western sky, and called for her husband. Paul Trent came out, looked at the object, and went back into the house to find a camera. He returned with the Roamer 1, which already had film in it, and took two photographs in rapid succession from approximately the same standing position in the farmyard. By the time he attempted a third exposure, he could not relocate the object.
The first photograph (commonly labeled “Photograph 1” or the “under-the-eaves shot”) was taken from a position south of the farmhouse, looking roughly west-northwest. A telephone pole, electrical wires, and a portion of the farmhouse eaves are visible in the foreground; the disc is in the upper-right portion of the frame. The second photograph (“Photograph 2”) was taken from a slightly different standing position, with the disc now further to the left and partially silhouetted against open sky.
Paul Trent estimated the object’s apparent size as comparable to a “parachute without strings” and its distance as a matter of perhaps half a mile or more. Neither Trent reported sound, exhaust, smoke, or visible occupants. The object did not maneuver violently; both witnesses described it as drifting and then accelerating away to the west.
The roll of film was not immediately developed. The Trents finished out the roll over the following days, including on family photographs, and the film was processed by a local pharmacist. Paul Trent’s father saw the prints and encouraged the Trents to share them more widely. Bill Powell of the McMinnville Telephone-Register obtained the negatives — physically — in early June and published the photographs on 8 June.
Witnesses
Evelyn Trent is the primary witness in the chronological sense. She saw the object first, called her husband, and observed it throughout the period in which the photographs were taken. Her account, given in 1950 and reiterated to multiple subsequent investigators, has remained consistent on every material point that the Council can cross-check: the time of evening, the direction of the object, her position in the yard, the call to her husband, and the rough duration of the sighting.
Paul Trent is the photographer and second witness. His account is consistent with Evelyn’s. He reportedly initially did not want to publicize the photographs and was, by multiple investigators’ accounts, an uncomfortable rather than an enthusiastic public witness. He died in 1998; Evelyn Trent died in 1997.
There are no civilian third-party witnesses to the object itself. The McMinnville Telephone-Register reporter, the photo lab, and Paul Trent’s father all interacted with the photographs rather than the event. This is the central evidentiary limitation of the case and remains so seventy-five years later.
The Council assesses the Trents’ credibility, on the available record, as substantial and uncontradicted. Investigators across the ideological spectrum — including skeptics who concluded the photographs are hoaxes — have generally not argued that the Trents were unstable, attention-seeking, or financially motivated. Paul Trent received no money from the publication of the photographs in 1950; Life paid the McMinnville Telephone-Register, which had taken possession of the negatives.
Official response
Project Blue Book
The U.S. Air Force’s Project Blue Book opened a file on the McMinnville photographs in 1950 (Case 1408). The original investigation was perfunctory by modern standards: the case was not classified as “Unidentified” in the Blue Book final disposition, but rather filed without a definitive determination. Blue Book’s institutional posture toward photographic UFO cases in this period was skeptical by default; the Trent case was not granted a re-investigation when interest in it was renewed in the 1960s.
The full Blue Book file, including correspondence and the contact reports from the original 1950 inquiry, is publicly available through the U.S. National Archives.
The Condon Committee (1968)
The most consequential official examination of the photographs was conducted by the University of Colorado UFO Project, the federally funded study led by physicist Edward U. Condon that produced the 1968 Scientific Study of Unidentified Flying Objects — universally referred to as the Condon Report.
The photoanalytic work on the McMinnville case was performed by astronomer William K. Hartmann, then a junior member of the Condon team. Hartmann examined the original negatives, performed photometric and photogrammetric analyses, and reconstructed the geometry of the farm and the photographs. His written conclusion, in Case 46 of the Condon Report, is among the most cited single passages in the UFO documentary record:
“This is one of the few UFO reports in which all factors investigated, geometric, psychological, and physical, appear to be consistent with the assertion that an extraordinary flying object, silvery, metallic, disk-shaped, tens of meters in diameter, and evidently artificial, flew within sight of two witnesses.”
Hartmann’s analysis turned on, among other factors, the photometric brightness of the object relative to the surrounding sky and shadowed surfaces. He argued that the object appeared to be in atmospheric haze consistent with significant distance, not the few yards a suspended model would entail. He could not, however, rule out a hoax with absolute certainty, and his published conclusion is carefully bounded.
Hartmann himself, in subsequent decades, partially revised his position. By the 1970s he was on record as treating the photographs as no longer probative one way or the other, citing primarily the skeptical re-analyses that emerged after the Condon Report’s publication.
After Condon
No subsequent U.S. government body has formally re-examined the McMinnville photographs. The case was not included in the 2021 ODNI Preliminary Assessment, the AARO historical reviews of 2024–2025, or any portion of the PURSUE document release program. It remains, in official U.S. government terms, an unresolved 1950 photographic case with no active investigation.
Mundane explanations considered
The McMinnville photographs have generated more independent photographic analysis than any other UFO case on the documentary record. The two principal alternative explanations are a suspended model hoax and a lens reflection or artifact. The Council considers each in turn.
1. A small model suspended from overhead wires
This is the most extensively developed skeptical hypothesis and is associated principally with Robert Sheaffer (1974, expanded 1981) and Joel Carpenter (NICAP archive). The argument runs as follows.
Photograph 1 shows a section of the farmhouse eaves at the top of the frame. Sheaffer and Carpenter argued — and Bruce Maccabee disputed — that the shadows on the underside of the eaves are inconsistent with a 7:30 PM lighting geometry on 11 May 1950 at the latitude of McMinnville. Specifically, the eaves shadow patterns appear to be consistent with a morning rather than an evening sun position. If correct, this would mean the Trents misstated the time of the photographs by approximately twelve hours, which would in turn be consistent with a staged photograph taken before publication.
Sheaffer further argued that the apparent bright spot on the underside of the disc in both photographs is positioned in a way consistent with reflection of a nearby light source (such as a model suspended below a wire on which a small reflective object is also fixed), rather than illumination from the distant sun.
Carpenter’s separate analysis emphasized the proximity of overhead wires running between the farmhouse and a nearby utility pole, and noted that a small model — on the order of inches across — could have been suspended from these wires and would, photographed at the angles Trent used, produce images broadly resembling the published photographs.
These arguments are serious. They have been published in peer-skeptical venues, examined by other investigators, and have not been straightforwardly refuted.
2. The Maccabee counter-analyses
Optical physicist Bruce Maccabee examined the original negatives in the 1970s and again in subsequent decades. Maccabee’s principal arguments against the model-hoax hypothesis are:
- Photometric distance analysis: the apparent atmospheric haze surrounding the object, measurable by comparison of the object’s contrast against nearby clouds and sky regions, is, in Maccabee’s analysis, more consistent with an object at a distance of hundreds of meters or more than with a model at a few meters’ distance.
- Shadow analysis: Maccabee disputed Sheaffer’s reading of the eaves shadows, arguing that the specific overhang geometry of the Trent farmhouse, when properly modeled, is consistent with an evening sun position rather than a morning one.
- No evidence of suspension: high-resolution scans of the original negatives, examined by Maccabee, do not show clear evidence of suspension wires above the object. (Skeptics have countered that a single thin monofilament line would not be expected to resolve at the available film grain.)
Maccabee’s analyses are also serious and have not been straightforwardly refuted.
3. The IPACO 2013 re-analysis
In 2013, the French photogrammetric analysis group IPACO (whose principals include former French defense and aerospace image-analysis professionals) published a re-examination of the McMinnville photographs using modern photoanalytic software. IPACO’s published conclusion is that the photographs could be consistent with a small object suspended from the overhead wires, but did not assert that this had been demonstrated. IPACO’s analysis is widely cited by skeptics; Maccabee published a detailed reply disputing specific elements of the IPACO methodology.
4. Lens, film, or processing artifact
The argument that the disc is a lens flare or film artifact has not been substantially defended in the photoanalytic literature. The object’s apparent shape, position relative to the surrounding scene, and presence on two separate frames taken from slightly different angles are not consistent with a single-frame artifact. The Council does not consider this hypothesis live.
Open questions
- Was the standing position of the photographer accurately reconstructed? The Condon Committee, Sheaffer, Carpenter, Maccabee, and IPACO have each modeled the geometry of the farmyard and the photographer’s position. The reconstructions are not identical. Small differences in the assumed standing position materially affect the calculated angular size and distance of the object.
- Are the eaves shadows diagnostic of time of day? The disagreement between Sheaffer/Carpenter and Maccabee on this point has been live for fifty years and has not been resolved by any subsequent independent analysis to the satisfaction of both camps.
- What is the maximum-resolution scan of the original negatives that has been performed, and where do those scans currently reside? The negatives passed through multiple hands between 1950 and the present day. The custodial history is reasonably well documented but the current physical condition of the negatives is not, to the Council’s knowledge, publicly described in recent literature.
- Is there any surviving contemporary witness, neighbor, or family member with relevant first-hand testimony about the Trents in May–June 1950 that has not yet been recorded? Both Trents are deceased; this evidentiary window is closing.
The Council’s verdict
Inconclusive.
The McMinnville photographs are, simultaneously, one of the strongest single pieces of civilian photographic UFO evidence in the documentary record and a case in which a credible alternative explanation — a small model suspended from existing overhead wires — has been seriously developed, partially supported by independent re-analysis, and not refuted in a manner that has produced disciplinary consensus.
The Council weighs the following:
- The Trents’ personal credibility, on the available record, is uncontradicted. They were not financially compensated, did not seek out publicity, and gave consistent accounts to multiple independent investigators across decades.
- The Condon Committee’s photoanalyst, working under the auspices of an institutionally skeptical federal study, concluded that the photographs were consistent with an extraordinary flying object and could not be shown to be a hoax.
- The principal skeptical hypothesis — a suspended model — is plausible, has been seriously developed, and has been partially supported by independent re-analysis.
- The principal pro-anomalous analyses — Maccabee’s photometric work — have been seriously developed, partially supported, and partially disputed.
- After seventy-five years of analysis, no disciplinary consensus has been reached. This is itself a fact about the case.
We do not assess the McMinnville photographs as Confirmed. We do not assess them as Debunked. The honest verdict, on the evidentiary record as it stands in 2026, is Inconclusive — and the Council expects this verdict to remain stable absent new evidence (recovered original equipment, an unrecorded contemporary witness, or substantially higher-resolution analysis of the original negatives) that no credible source has indicated to exist.
The case is, for the Council, the canonical example of why “Inconclusive” is not a failure of analysis. After Project Blue Book, the Condon Committee, NICAP, Sheaffer, Carpenter, Maccabee, IPACO, and seven decades of independent commentary, the photographs remain what they were in June 1950: two frames of 120 roll film, of an object that the photographer and his wife said they saw in the sky west of their Oregon farmhouse, and that no one has been able to either confirm or convincingly explain away.
Sources
- Scientific Study of Unidentified Flying Objects (the “Condon Report”), 1968. Case 46: McMinnville, Oregon. Photoanalytic chapter by William K. Hartmann.
- U.S. Air Force, Project Blue Book file 1408 (McMinnville, Oregon, 11 May 1950). U.S. National Archives.
- Maccabee, Bruce. Photo Analysis: McMinnville Photos. NICAP / Fund for UFO Research.
- Sheaffer, Robert. “The McMinnville Photos: A Re-Examination.” The UFO Verdict: Examining the Evidence (1981), and earlier (1974) shorter form.
- Carpenter, Joel. “The Trent UFO Photographs.” NICAP archive.
- IPACO (Louange, François et al.). The McMinnville UFO Photographs (1950): A New Look. 2013.
- Life Magazine, 26 June 1950: “Farmer Trent’s Flying Saucer.”
- McMinnville Telephone-Register, 8 June 1950: “At Long Last — Authentic Photographs of Flying Saucer?”
Sources of record
- 01 Scientific Study of Unidentified Flying Objects (the "Condon Report") — Case 46: McMinnville, Oregon — University of Colorado UFO Project (1968), hosted by NCAS
- 02 Project Blue Book file — McMinnville, Oregon, 11 May 1950 (Case 1408) — U.S. National Archives — Project Blue Book records
- 03 Bruce Maccabee — "Photo Analysis: McMinnville Photos" (NICAP / Fund for UFO Research) — NICAP (National Investigations Committee on Aerial Phenomena)
- 04 Robert Sheaffer — "The McMinnville Photos: A Re-Examination" (1974, expanded in The UFO Verdict, 1981) — Independent skeptical analysis
- 05 Joel Carpenter — "The Trent UFO Photographs" (NICAP archive) — NICAP archive — independent investigation
- 06 IPACO — "The McMinnville UFO Photographs (1950): A New Look" (François Louange et al., 2013) — IPACO (French photogrammetric analysis group)
- 07 Life Magazine, 26 June 1950 — "Farmer Trent's Flying Saucer" — Life Magazine / Time Inc.
- 08 McMinnville Telephone-Register, 8 June 1950 — "At Long Last — Authentic Photographs of Flying Saucer?" — McMinnville Telephone-Register (Oregon)