Within Radar Reflectors
How Could a Reflector Look Like a Disc?
A faceted reflector under a balloon could be described as angular or disc-like without being a solid aircraft.
On this page
- Corner reflectors and geometric shapes
- Why a hexagonal object could confuse witnesses
- What collapse and impact would change
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Introduction
One of the most misunderstood details in the Roswell record is the FBI teletype’s description of a recovered “disc” that was “hexagonal in shape” and suspended beneath a balloon. To many readers, the word disc suggests a solid flying saucer. Yet the same message also stated that the object resembled a weather balloon with a radar reflector. The key question is therefore not whether the object was called a disc, but how a radar reflector could be perceived as one. The answer lies in geometry, viewing angle, and the way lightweight reflector assemblies changed shape when airborne, collapsed, or struck the ground. Contemporary descriptions do not require a conventional aircraft-like disc; they are compatible with a balloon-borne radar target whose angular framework could appear disc-like under certain conditions.[FBI]fbi.govInside the FBI Podcast: UFOs — FBI… disc was recovered near Roswell, New Mexico, this date. The disc is hexagonal in shape and was s…
Corner Reflectors and Geometric Shapes
The radar targets used with weather balloons and later with Project Mogul were not simple flat sheets. They were built from reflective panels arranged into angular structures designed to bounce radar signals back toward tracking stations. Many reflector designs used triangular faces and corner-reflector geometry rather than smooth circular surfaces.[Wikipedia]WikipediaCorner reflectorCorner reflector
The Air Force’s Roswell investigation located original blueprints for the ML307C/AP radar target assembly and described a lightweight structure made from reflective foil-backed material attached to balsa wood supports. Folded and assembled, these targets created multiple triangular sections and angular faces rather than a single flat panel.[WHS ESD]esd.whs.milAssembly" (generically, the radar target assembly) were located at the Army. Signal…Read more…
This matters because witnesses often describe unfamiliar objects using the nearest familiar shape. An angular reflector viewed from below, at a distance, or in partial collapse could be characterised as:
- A disc
- A wheel-like object
- A kite
- A hexagon
- A flat plate
without any of those labels being a precise engineering description.
The FBI teletype itself combines two seemingly contradictory descriptions: the object was a “disc” but also “hexagonal in shape”. A true circular flying saucer would not normally be described as hexagonal. The wording makes more sense if observers were referring to the overall outline of an angular radar target rather than a perfectly round craft.[FBI]fbi.govInside the FBI Podcast: UFOs — FBI… disc was recovered near Roswell, New Mexico, this date. The disc is hexagonal in shape and was s…
Why a Hexagonal Object Could Confuse Witnesses
The Roswell discussion often treats “disc” and “hexagon” as mutually exclusive categories, but ordinary language does not work that way. People frequently use disc to mean a generally flat object rather than a mathematically perfect circle.
Several factors could encourage that description:
Viewed edge-on or from a distance. A lightweight reflector hanging beneath a balloon would rotate, tilt, and yaw in the wind. At some angles, only its broad reflective face would be visible, creating the impression of a flat plate or disc.
Complex angular construction. Corner reflectors contain multiple intersecting surfaces. Depending on perspective, an observer may focus on the overall outline rather than the individual triangular components.[Wikipedia]WikipediaCorner reflectorCorner reflector
Association with contemporary terminology. In July 1947, reports of “flying discs” were filling newspapers across the United States. Once an unusual airborne object entered discussion, witnesses and officials alike were already primed to use the language of discs and saucers. The Roswell Army Air Field press release itself initially referred to a “flying disc”, even though later military assessments linked the debris to balloon equipment.[FAS Project on Government Secrecy]sgp.fas.orgFAS Project on Government SecrecyGAO Report on Roswell, NM UFO CrashThe FBI message stated that the military had reported that an object…
The FBI message’s phrase “hexagonal-shaped disc” is therefore not necessarily evidence for a manufactured saucer. It can be read as an attempt to describe a flat-looking object whose outline appeared six-sided.[FBI]fbi.govInside the FBI Podcast: UFOs — FBI… disc was recovered near Roswell, New Mexico, this date. The disc is hexagonal in shape and was s…
What Collapse and Impact Would Change
A crucial point is that radar reflectors were fragile. Their framework relied on lightweight sticks, paper-backed reflective material, string, and adhesive components. They were designed to be carried aloft by balloons, not to survive rough landings intact.[WHS ESD]esd.whs.milAssembly" (generically, the radar target assembly) were located at the Army. Signal…Read more…
After descending into the New Mexico desert, a reflector could have undergone several changes:
- Folding inward as supporting members broke.
- Losing its original three-dimensional geometry.
- Flattening into a roughly plate-like shape.
- Becoming tangled with balloon material and suspension lines.
- Presenting only part of its original structure to investigators.
A damaged reflector on the ground therefore might not resemble its blueprint. Witnesses encountering only fragments or a partially collapsed assembly could reasonably describe it as a flattened disc-like object even if its original form had been an angular radar target.
This possibility is especially relevant because the debris photographed in Fort Worth consisted largely of lightweight reflective material, sticks, paper-like backing, and balloon-related components rather than heavy structural parts. Such materials are consistent with a collapsed radar target and balloon system.[DAF History]dafhistory.af.milDAF HistoryThe Roswell ReportThis report represents a joint effort by Col. Richard L. Weaver and 1st Lt. James. McAndrew to address the r…
Why the “Disc” Description Does Not Settle the Debate
The significance of the FBI teletype is often overstated. The document does not merely say “disc”; it also says the object was hexagonal, attached by cable to a balloon roughly twenty feet in diameter, and resembled a high-altitude weather balloon with a radar reflector. Those details point toward a balloon-borne target rather than an autonomous craft.[FBI]fbi.govInside the FBI Podcast: UFOs — FBI… disc was recovered near Roswell, New Mexico, this date. The disc is hexagonal in shape and was s…
For that reason, the strongest historical question is not whether someone used the word disc. The more important issue is how people in 1947 interpreted an unfamiliar, angular, lightweight reflector assembly. A radar target suspended beneath a balloon could simultaneously appear unusual, geometric, and “disc-like” without being a solid flying saucer. The FBI description itself illustrates that ambiguity by pairing the terms “disc” and “hexagonal” in the same sentence.[FBI]fbi.govInside the FBI Podcast: UFOs — FBI… disc was recovered near Roswell, New Mexico, this date. The disc is hexagonal in shape and was s…
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Endnotes
1.
Source: fbi.gov
Link:https://www.fbi.gov/video-repository/inside-the-fbi-ufos-102921.mp4/view
Source snippet
Inside the FBI Podcast: UFOs — FBI... disc was recovered near Roswell, New Mexico, this date. The disc is hexagonal in shape and was s...
2.
Source: sgp.fas.org
Link:https://sgp.fas.org/othergov/roswell.html
Source snippet
FAS Project on Government SecrecyGAO Report on Roswell, NM UFO CrashThe FBI message stated that the military had reported that an object...
3.
Source: Wikipedia
Title: Corner reflector
Link:https://en.wikipedia.org/wiki/Corner_reflector
4.
Source: esd.whs.mil
Link:https://www.esd.whs.mil/Portals/54/Documents/FOID/Reading%20Room/UFOsandUAPs/rosswe1.pdf
Source snippet
Assembly" (generically, the radar target assembly) were located at the Army. Signal...Read more...
5.
Source: vault.fbi.gov
Title: Roswell UFOOn
Link:https://vault.fbi.gov/Roswell%20UFO
Source snippet
UFOOn July 8, 1947, the FBI Dallas Field Office sent a teletype regarding a “flying disc” that resembled a high altitude weather balloon...
Published: July 8, 1947
6.
Source: Wikipedia
Title: Roswell incident
Link:https://en.wikipedia.org/wiki/Roswell_incident
Source snippet
Roswell incidentThe telex said that according to the Eighth Air Force, "The disc is hexagonal in shape and was suspended from a balloo...
7.
Source: dafhistory.af.mil
Link:https://www.dafhistory.af.mil/Portals/16/documents/AFD-101201-038.pdf
Source snippet
DAF HistoryThe Roswell ReportThis report represents a joint effort by Col. Richard L. Weaver and 1st Lt. James. McAndrew to address the r...
8.
Source: aresia.com
Title: Radar reflectors
Link:https://aresia.com/radar-reflector/?lang=en
Source snippet
Luneberg lensTrihedral reflectors are used to generate a particularly strong radar echo. The trihedral corner reflector simulates radar t...
9.
Source: af.mil
Link:https://www.af.mil/The-Roswell-Report/
Additional References
10.
Source: abcnews.com
Link:https://abcnews.com/Technology/fbi-vault-reveals-ufo-roswell-files/story?id=13347754
Source snippet
FBI Vault Reveals UFO, Roswell Files"The disc is hexagonal in shape and was suspended from a balloon by cable," the document said. "The o...
11.
Source: nauticgear.nl
Link:https://www.nauticgear.nl/bootaccessoires/veiligheid/radarreflector/aanbieding-radarreflector.html
Source snippet
Buis Type Radarreflectoren, voor motorboot of zeilschipDeze radar reflector is in 3 varianten verkrijgbaar: 58,5 cm lang voor een zeilboo...
12.
Source: pepperl-fuchs.com
Link:https://www.pepperl-fuchs.com/nl-nl/products-gp25581/132625
Source snippet
MW-REF-M100 Radar corner reflectorMW-REF-M100 Radar corner reflector. Radar corner reflector, triangular 142.8 x 124.5 x 111.5 mm, with 2...
13.
Source: divequipment.nl
Link:https://www.divequipment.nl/en-us/assortment/water-rescue/man-over-board-life-saving-equipment/signals-reflectors/radar-reflectors
Source snippet
Radar ReflectorsThese radar reflectors are made of light alloy and provided with head plastic protection. The model is suitable for foldi...
14.
Source: jasoncolavito.com
Link:https://www.jasoncolavito.com/the-roswell-teletype.html
Source snippet
The Roswell TeletypeTHE DISC IS HEXAGONAL IN SHAPE AND WAS SUSPENDED FROM A BALLON BY CABLE, WHICH BALLON WAS APPROXIMATELY TWENTY FEET I...
15.
Source: physics.smu.edu
Link:https://www.physics.smu.edu/pseudo/UFOs/pt01a.pdf
Source snippet
blueprints for the “Pilot Balloon Target ML307C/AP. Assembly” (generically, the radar target assembly) were located at the Army. Signal C...
16.
Source: bootplus.nl
Link:https://bootplus.nl/meervlaks-reflectoren/34671-radar-reflector-opbouwbaar.html
17.
Source: boottotaal.nl
Link:https://www.boottotaal.nl/veiligheid-overig-radarreflectoren-radar-reflector.html
18.
Source: ancestry.com
Link:https://www.ancestry.com/historical-insights/culture/event/ufo-roswell-new-mexico
19.
Source: youtube.com
Title: After Disclosure: Dissecting Gen. “Balloon Boy” [Ramey]({{ ‘ramey/’ | relative_url }})
Link:https://www.youtube.com/watch?v=EcJawLB-FR8
Source snippet
Roswell Incident weather balloon radar reflector Project Mogul The Roswell Incident 1947 Fact Or Fiction Popular UFO Stories In 5 Minutes...
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