Within Tennessee UFOs
Why Oak Ridge Became Tennessee's UFO Hotspot
Cold War sightings over Oak Ridge mattered because unknown objects near atomic facilities were treated as possible security threats.
On this page
- The 1947 photographs and official concern
- Radar and visual reports from 1950
- What the surviving files do and do not prove
Page outline Jump by section
Introduction
Oak Ridge became Tennessee’s most important UFO location because it was not an ordinary town. In the late 1940s and early 1950s, its Y-12, K-25 and X-10 plants handled uranium enrichment, reactor research and other work central to the United States’ atomic programme. Reports of unknown objects near this restricted complex therefore raised an immediate practical question: were they misidentified aircraft and weather effects, or signs that a hostile power was testing American defences?[The Department of Energy's Energy.gov]energy.govmanhattan project department energy formationStarting in 1942, the United States Army Corps of Engineers began acquiring the Oak Ridge area for the Manhattan Project…. The X-10 pr…
The surviving files show genuine official concern, repeated visual reports, radar returns and attempted fighter interceptions. They do not show recovered craft, verified extraterrestrial technology or even a firmly established pattern of physical vehicles penetrating Oak Ridge airspace. Their real historical value lies in documenting how uncertain aerial observations became intelligence and security problems at the start of the Cold War.
Why Oak Ridge Became Tennessee’s UFO Hotspot
Oak Ridge had been created in secrecy during the Manhattan Project. Y-12 used electromagnetic separation to enrich uranium; K-25 employed gaseous diffusion; and X-10 operated an experimental graphite reactor and pilot plutonium-separation facilities. Even after the Second World War, these installations remained strategically sensitive as the United States expanded its nuclear arsenal and confronted the Soviet Union.[The Department of Energy's Energy.gov]energy.govmanhattan project department energy formationStarting in 1942, the United States Army Corps of Engineers began acquiring the Oak Ridge area for the Manhattan Project…. The X-10 pr…
That setting changed the meaning of an unidentified light or radar echo. Officials could not safely assume that an unfamiliar object was harmless. Possible explanations included a Soviet reconnaissance aircraft, a balloon carrying cameras or instruments, an unauthorised domestic aircraft, an experimental American system, equipment malfunction or a natural phenomenon. UFO investigation at Oak Ridge was therefore closely tied to counter-intelligence and protection of vital installations, rather than being simply a search for unusual machines.
The paperwork reflects this security-first approach. Records circulated among the Federal Bureau of Investigation, Air Force intelligence and special-investigation offices, Army counter-intelligence personnel and the Atomic Energy Commission’s security organisation. Files were labelled with terms such as “internal security”, “unconventional aircraft” and “restricted area”. Those labels demonstrate that officials took the reporting environment seriously; they do not establish that the reported objects themselves were extraordinary.[U.S. Department of War]war.govDepartment of War Releases Unidentified Anomalous Phenomena Files in Historic Transparency Effort > U.S. Department of War > Release | U…(https://www.war.gov/medialink/ufo/release_1/65_hs1-834228961_62-hq-83894_serial_153.pdf)
The 1947 Photographs and Official Concern
The earliest prominent Oak Ridge material concerns two photographs taken during the flying-disc excitement of July 1947. An FBI file records the transfer of two pictures of reputed “flying saucers” seen in the Oak Ridge area, together with a copy of a report from the Knoxville News-Sentinel. The file classified the matter under internal security, an indication that photographs taken near the atomic reservation merited official attention.[U.S. Department of War]war.govDepartment of War Releases Unidentified Anomalous Phenomena Files in Historic Transparency Effort > U.S. Department of War > Release | U…(https://www.war.gov/medialink/ufo/release_1/65_hs1-834228961_62-hq-83894_serial_153.pdf)
Later summaries identify the photographer as Oak Ridge resident W. R. Presley, who reportedly noticed an apparent trail while taking family photographs. Copies circulated before investigators became involved. Accounts preserved in later compilations state that security officials tried to retrieve distributed prints and discourage further discussion while the material was passed to Air Force intelligence. That reaction is consistent with a facility where officials were concerned about both aerial intrusion and the uncontrolled release of photographs connected with a restricted site.[U.S. Department of War]war.govDepartment of War Releases Unidentified Anomalous Phenomena Files in Historic Transparency Effort > U.S. Department of War > Release | U…(https://www.war.gov/medialink/ufo/release_1/65_hs1-834228961_62-hq-83894_section_6.pdf)
The photographs themselves are weak evidence. The surviving file reproductions are degraded, and the marks lack reliable information about range, size, direction, exposure time or camera movement. A streak or indistinct shape in a single photograph can result from an aircraft trail, a processing defect, movement of the camera, damage to the negative or a deliberately introduced object. There is no surviving measurement that turns the photographed marks into a demonstrably structured craft.
Claims that officials found the pictures “authentic” also require care. In investigative language, authenticity may mean that the photographs really came from the stated film or had not been crudely altered. It does not necessarily mean that analysts confirmed the photographer’s interpretation. Other material in the historical record says the images were ultimately attributed to accident or possible hoax, while noting that some Atomic Energy Commission personnel remained doubtful about that conclusion. The disagreement shows uncertainty inside the security system, not proof of an exotic vehicle.[U.S. Department of War]war.govDepartment of War Releases Unidentified Anomalous Phenomena Files in Historic Transparency Effort > U.S. Department of War > Release | U…(https://www.war.gov/medialink/ufo/release_1/65_hs1-834228961_62-hq-83894_section_6.pdf)
What makes the episode important is therefore not photographic clarity but institutional response. Only weeks after “flying saucer” became a national expression, ambiguous images from America’s principal uranium-production centre entered an internal-security file. Oak Ridge was already becoming a place where an uncertain sighting could not be separated from fears of espionage and technological surprise.
Radar Alerts and Fighter Scrambles in 1950
The most significant period came in 1950, when Oak Ridge generated a mixture of radar, visual and security reports. The surviving material describes several episodes rather than one continuous encounter, and later UFO literature sometimes combines them into a single dramatic “Oak Ridge flap”. Keeping the incidents separate is essential because their evidential quality varies.
On 12 October, a CPS-1 radar installation at McGhee Tyson Airport reportedly displayed at least eleven returns beginning near the northern edge of the Oak Ridge controlled area and moving south. An F-82 Twin Mustang fighter was scrambled, but the crew failed to obtain visual or airborne-radar contact. Further alerts and attempted interceptions followed during October, again without a confirmed interception or identification of a physical intruder.[war.gov]war.gov65 hs1 834228961 62 hq 83894 section 6U.S. Department of Warll 1 l lll 1 1 62-IHQ-ii3894.. ==-Observations of aerial phenomena occurring within the vicinity of sensitive inst…
The number “eleven” sounds impressive, but radar does not automatically distinguish aircraft from every other source of a return. Early Cold War equipment could display weather effects, ground reflections, propagation anomalies, interference and random noise. Multiple marks could represent several objects, repeated or distorted returns from fewer objects, or technical artefacts. The failed fighter contact neither proves that nothing was present nor confirms that the returns represented manoeuvring craft.
Visual reports added urgency but did not resolve the problem. Oak Ridge security personnel and civilian workers described lights, metallic-looking objects and smoke- or ribbon-like forms. Some reports may concern different causes. An object interpreted as trailing a long waving tail, for example, is compatible with lightweight material or a balloon-like object, while a brief metallic flash can be produced by sunlight reflecting from an aircraft at a considerable distance.
The files also show that investigators questioned the surveillance system itself. They sought information on radar operation, weather conditions, known aircraft and the sequence in which radar and visual observations occurred. This is an important corrective to later retellings: officials were not simply recording mysterious intruders. They were testing whether observers, instruments or reporting procedures might have generated false alarms.
What Happened on 5 and 18 December 1950
A comparatively detailed visual report was filed after sightings on 5 December. One woman, employed in Oak Ridge’s security division, said she watched a round or disc-like object moving slowly eastwards in clear daytime conditions. She described it as brilliantly metallic, resembling polished aluminium, and said that its appearance became grey and less distinct after it seemed to turn. She reported no sound and estimated an observation lasting about a minute. A second woman elsewhere in Oak Ridge described a similar object around the same period.[Wikimedia Commons]upload.wikimedia.orgWikimedia Commons…
The account is useful because it records viewing conditions and changes in apparent brightness. Those same details, however, permit ordinary interpretations. A distant aircraft can appear round or featureless when seen nearly head-on, brighten sharply when sunlight reaches a reflective surface, and become darker as its angle changes. The reported altitude of about 500 feet and distance of roughly two miles were unaided estimates; without a known size, witnesses cannot reliably determine both range and altitude.
On 18 December, a group travelling to work near the restricted area included senior Air Force and Navy officers and civilian employees. Several occupants saw what one statement described as a bright reflection from an apparently metallic surface. The signed account explicitly compared it with sunlight reflected from an aircraft at great distance and stated that no accurate estimate of size or range could be made. The observation was brief and partly dependent on the changing direction of the car.[Wikimedia Commons]upload.wikimedia.orgWikimedia Commons…
That document is especially valuable because it preserves both the observation and a restrained interpretation by experienced witnesses. Their rank makes the report worth examining, but it does not transform a momentary reflection into evidence of an unconventional vehicle. Indeed, their own wording shows why witness credentials and evidential strength are not the same thing.
Did Radar Confirm the Visual Sightings?
Some Oak Ridge accounts are described as “radar-visual”, implying two independent systems detected the same object. The surviving Air Force assessment is much less decisive.
A technical comment concerning a weak radar signal near the north-east end of the restricted area stated that the detection was too brief to evaluate and too weak to establish a radar track. It also noted that radar targets were not detected until after visual reports had been received. The analyst suggested two broad possibilities: radar operators might previously have overlooked signals, or they might have become unusually attentive after the alert and started reporting minor scope indications or random noise.[Wikimedia Commons]upload.wikimedia.orgWikimedia Commons…
This sequence matters because independent corroboration is strongest when instruments register an object before operators know what witnesses have reported. Once radar personnel have been alerted, confirmation bias becomes possible: ambiguous marks receive attention because an unknown object is expected. That does not prove the returns were false, but it substantially weakens claims that radar independently verified a structured craft.
The records also lack the material needed for modern reconstruction. There are no preserved digital plots, calibrated recordings or complete sets of range, bearing, altitude and velocity measurements. Analysts were often working from operators’ notes and brief scope observations. Consequently, the radar evidence supports the conclusion that Oak Ridge’s warning network experienced unexplained returns, but not that a particular extraordinary vehicle was tracked across the reservation.
Why the Government Response Matters
The Oak Ridge files are sometimes presented as evidence that authorities secretly knew UFOs were extraterrestrial. A more grounded reading is that officials feared unidentified aircraft because they did not know whose aircraft they might be.
In 1950, the Soviet Union had recently tested its first atomic bomb, espionage had already compromised aspects of the Manhattan Project, and American defence planners were acutely conscious of vulnerability around nuclear facilities. Oak Ridge contained technology, materials and operational knowledge of enormous strategic value. A balloon, small reconnaissance platform or unexplained radar penetration could expose weaknesses even if it posed no immediate physical threat.
The response therefore included intelligence circulation, interviews, checks of radar performance, security-patrol reporting and fighter scrambles. This machinery demonstrates a willingness to investigate possible intrusions. It also explains why apparently modest sightings generated substantial files: the importance of the location raised the consequence of being wrong.
There is an apparent tension between this contemporary alarm and the Air Force’s later conclusion that no investigated UFO had been shown to threaten national security. The two positions are compatible. An unknown observation may demand urgent attention at the time because it could represent a threat; after investigation, officials may find no evidence that it did. Project Blue Book eventually recorded 12,618 reports nationally, of which 701 remained classified as unidentified, while stating that none had demonstrated extraterrestrial origin or technology beyond contemporary scientific knowledge.[U.S. Air Force]af.milUnidentified Flying Objects and Air Force Project Blue Book > Air Force > Fact Sheet Display…
What the Surviving Files Do and Do Not Prove
The Oak Ridge material is stronger as evidence of government concern than as evidence of extraordinary craft.
The files do establish that:
- unknown lights, shapes and radar returns were reported near Oak Ridge during the early Cold War;
- some witnesses were security employees or military officers;
- radar stations and fighter units responded to certain alerts;
- the FBI, Air Force, Army counter-intelligence and Atomic Energy Commission exchanged information;
- some incidents remained unresolved because observations were brief or data were insufficient.
The files do not establish that:
- every report referred to the same phenomenon;
- radar returns and visual sightings always represented the same object;
- unknown craft repeatedly entered the restricted area;
- the objects displayed verified performance beyond contemporary aircraft;
- officials recovered physical material or confirmed extraterrestrial technology.
The main limitations recur throughout the archive: estimated rather than measured distances, vague shapes, short observation times, incomplete radar data, inconsistent witness descriptions and documents produced for security screening rather than scientific study. The photographs lack a dependable chain of technical analysis, while the best-known radar episode ended without visual or airborne-radar contact from the intercepting fighter.
Later archival access has strengthened the history of the investigation by allowing readers to see original memoranda rather than rely entirely on UFO books and second-hand summaries. The National Archives now identifies extensive Air Force UFO holdings across several record groups, and a 2026 federal release made additional FBI material, including the Oak Ridge photographic file, readily available online. The releasing authority cautioned that many published documents had been reviewed for security but had not necessarily received a new analytical resolution.[war.gov]war.govU.S. Department of WarDepartment of War Releases Unidentified Anomalous Phenomena Files in Historic Transparency Effort > U.S. Department of War > Release | U…
That distinction is crucial. Declassification confirms that a document exists; it does not validate every claim recorded in it. In Oak Ridge’s case, the added files make the official concern clearer but do not materially strengthen the physical evidence for unconventional craft.
Oak Ridge’s Place in Tennessee UFO History
Oak Ridge deserves its central place in Tennessee’s UFO history because the incidents connect eyewitness testimony with radar, fighter responses, federal files and nuclear-security policy. Few other Tennessee cases generated comparable attention across several government agencies.
Yet the most defensible conclusion is narrower than the legend. Something repeatedly triggered reports and alerts around Oak Ridge, and several individual observations could not be conclusively identified from the surviving information. The available record also contains plausible signs of aircraft reflections, balloon-like material, radar noise, weather effects and heightened operator expectation.
Oak Ridge was therefore a UFO hotspot in an administrative and historical sense: it produced an unusually dense trail of reports because the sky above it was watched closely and every uncertainty carried exceptional consequences. The documents reveal the anxieties and practical difficulties of defending an atomic complex at the opening of the Cold War. They leave several incidents unresolved, but they do not turn those uncertainties into proof of extraterrestrial visitation.
Amazon book picks
Further Reading
Books and field guides related to Why Oak Ridge Became Tennessee's UFO Hotspot. Use these as the next step if you want deeper reading beyond the article.
The Report on Unidentified Flying Objects
Relevant to the era and investigative practices surrounding Oak Ridge.
UFOs and Government: A Historical Inquiry
Directly addresses official UFO investigations during the Cold War.
UFOs: Generals, Pilots, and Government Officials Go on the Re...
Explores official unidentified aerial incidents.
Area 51: An Uncensored History of America's Top Secret Milita...
Provides national-security context similar to Oak Ridge's strategic importance.
eBay marketplace picks
Marketplace Samples
Live-tested eBay searches with available results related to this page.
Selected fromUFO poster oneBay.co.uk.
Endnotes
1.
Source: energy.gov
Title: manhattan project department energy formation 1939 1977
Link:https://www.energy.gov/em/manhattan-project-department-energy-formation
Source snippet
Starting in 1942, the United States Army Corps of Engineers began acquiring the Oak Ridge area for the Manhattan Project.... The X-10 pr...
2.
Source: energy.gov
Link:https://www.energy.gov/orem/history
Source snippet
Throughout the next six decades the three major sites— K-25 (present day ETTP), X-10 (present day ORNL), and Y-12— purified isotopes, con...
3.
Source: energy.gov
Link:https://www.energy.gov/em/articles/history-park-dedicated-manhattan-project-story
Source snippet
The Department of Energy's Energy.govThe History of a Park Dedicated to the Manhattan Project Story | Department of EnergyThe park includ...
4.
Source: ehss.energy.gov
Title: EHSSOak Ridge Reservation: Y-12 Mercury Task Force Files
Link:https://ehss.energy.gov/ohre/new/findingaids/epidemiologic/oakridge1/intro.html
Source snippet
Oak Ridge, Tennessee, was one of three sites established by the Manhattan Project during World War II for the development of the first at...
5.
Source: war.gov
Title: 65 hs1 834228961 62 hq 83894 serial 153
Link:https://www.war.gov/medialink/ufo/release_1/65_hs1-834228961_62-hq-83894_serial_153.pdf
Source snippet
U.S. Department of War65_HS1-834228961_62-HQ-83894_Serial_153...
6.
Source: upload.wikimedia.org
Link:https://upload.wikimedia.org/wikipedia/commons/d/d5/Project_Blue_Book_report_-_1950-12-9619242-OakRidge-Tenn.pdf
Source snippet
Wikimedia Commons...
7.
Source: war.gov
Title: 65 hs1 834228961 62 hq 83894 section 6
Link:https://www.war.gov/medialink/ufo/release_1/65_hs1-834228961_62-hq-83894_section_6.pdf
Source snippet
U.S. Department of Warll 1 l lll 1 1 62-IHQ-ii3894.. ==-Observations of aerial phenomena occurring within the vicinity of sensitive inst...
8.
Source: nicap.org
Link:https://www.nicap.org/docs/oakridge501129b_docs.pdf
9.
Source: af.mil
Title: U.S. Air Force
Link:https://www.af.mil/About-Us/Fact-Sheets/Display/Article/104590/unidentified-flying-objects-and-air-force-project-blue-book/
Source snippet
Unidentified Flying Objects and Air Force Project Blue Book > Air Force > Fact Sheet Display...
10.
Source: archives.gov
Title: National Archives Project BLUE BOOK
Link:https://www.archives.gov/research/military/air-force/ufos
11.
Source: war.gov
Title: U.S. Department of War
Link:https://www.war.gov/News/Releases/Release/Article/4480582/department-of-war-releases-unidentified-anomalous-phenomena-files-in-historic-t/
Source snippet
Department of War Releases Unidentified Anomalous Phenomena Files in Historic Transparency Effort > U.S. Department of War > Release | U...
12.
Source: archives.gov
Link:https://www.archives.gov/research/topics/uaps/photographs
13.
Source: archives.gov
Link:https://www.archives.gov/research/guide-fed-records/groups/341.html
14.
Source: archives.gov
Link:https://www.archives.gov/research/topics/uaps/rg-collections
15.
Source: archives.gov
Link:https://www.archives.gov/research/catalog/catalog-bulk-downloads/uap-bulk-download
16.
Source: archives.gov
Link:https://www.archives.gov/research/topics/uaps/moving-images-and-sound
17.
Source: archives.gov
Link:https://www.archives.gov/research/topics/uaps/textual-and-microfilm
18.
Source: archives.gov
Title: R G 326
Link:https://www.archives.gov/atlanta/finding-aids/rg326-6213035
19.
Source: archives.gov
Title: Air Force Records | National Archives
Link:https://www.archives.gov/research/military/air-force
20.
Source: energy.gov
Link:https://www.energy.gov/em/articles/us-marks-trinity-tests-75th-anniversary-em-continues-progress-manhattan-project-sites
21.
Source: archives.gov
Title: 50 Years Ago: Government stops investigating UFOs | National Archives
Link:https://www.archives.gov/press/press-releases/2020/nr20-19
22.
Source: media.nationalarchives.gov.uk
Title: nationalarchives.gov.uk The Cold War and UFOs | The National Archives
Link:https://media.nationalarchives.gov.uk/index.php/cold-war-ufos/
23.
Source: energy.gov
Title: Manhattan Project NHP: A new and budding partnership | Department of Energy
Link:https://www.energy.gov/nnsa/articles/manhattan-project-nhp-new-and-budding-partnership
24.
Source: archives.gov
Title: Intrinsic Value in Archival Material | National Archives
Link:https://www.archives.gov/research/alic/reference/archives-resources/archival-material-intrinsic-value.html
25.
Source: nicap.org
Title: UF O Report
Link:https://www.nicap.org/ncp/ncp-oakridge501018.htm
26.
Source: nicap.org
Link:https://www.nicap.org/chronos/1950fullrep.htm
27.
Source: energy.gov
Link:https://www.energy.gov/management/y-12-beta-3-racetracks
28.
Source: ehss.energy.gov
Link:https://ehss.energy.gov/ohre/new/findingaids/epidemiologic/oakridge2/intro.html
29.
Source: energy.gov
Link:https://www.energy.gov/lm/manhattan-project-signature-facilities
30.
Source: energy.gov
Link:https://www.energy.gov/lm/manhattan-project-historical-resources
31.
Source: ehss.energy.gov
Link:https://ehss.energy.gov/ohre/new/findingaids/epidemiologic/oakridge3/intro.html
32.
Source: ehss.energy.gov
Link:https://ehss.energy.gov/ohre/new/findingaids/epidemiologic/orise/intro.html
33.
Source: upload.wikimedia.org
Title: Project Blue Book, BBA PBSR2 300
Link:https://upload.wikimedia.org/wikipedia/commons/e/ea/Project_Blue_Book%2C_BBA-PBSR2-300.pdf
34.
Source: war.gov
Link:https://www.war.gov/ufo/
35.
Source: war.gov
Link:https://www.war.gov/medialink/ufo/061226/release_03/documents/CIA-UAP-015-Project_Blue_Book_Special_Report_No_14.pdf
36.
Source: war.gov
Link:https://www.war.gov/medialink/ufo/release_1/65_hs1-834228961_62-hq-83894_section_4.pdf
37.
Source: war.gov
Title: 65 hs1 834228961 62 hq 83894 section 5
Link:https://www.war.gov/medialink/ufo/release_1/65_hs1-834228961_62-hq-83894_section_5.pdf
38.
Source: war.gov
Title: 65 hs1 834228961 62 hq 83894 section 10
Link:https://www.war.gov/medialink/ufo/release_1/65_hs1-834228961_62-hq-83894_section_10.pdf
39.
Source: vault.fbi.gov
Title: Project Blue Book (UFO)
Link:https://vault.fbi.gov/Project%20Blue%20Book%20%28UFO%29%20
40.
Source: vault.fbi.gov
Link:https://vault.fbi.gov/Project%20Blue%20Book%20%28UFO%29%20/Project%20Blue%20Book%20%28UFO%29%20Part%2001%20%28Final%29/at_download/file
41.
Source: fbi.gov
Title: ufos and the guy hottel memo
Link:https://www.fbi.gov/news/stories/ufos-and-the-guy-hottel-memo
42.
Source: nicap.org
Link:https://www.nicap.org/oakridge/oakridgesightings.htm
43.
Source: nicap.org
Link:https://www.nicap.org/oakridge501023dir.htm
44.
Source: nicap.org
Link:https://www.nicap.org/docs_oakridge/fbi501021doc2.htm
45.
Source: nicap.org
Title: NSID DBListingby Date
Link:https://www.nicap.org/NSID/NSID_DBListingbyDate.pdf
46.
Source: nicap.org
Link:https://www.nicap.org/chronos/1951fullrep.htm
47.
Source: nicap.org
Link:https://www.nicap.org/chronos/1952FIXED.htm
48.
Source: nicap.org
Link:https://www.nicap.org/chronos/1953fullrep.htm
49.
Source: nicap.org
Link:https://www.nicap.org/chronos/1949fullrep.htm
50.
Source: nicap.org
Link:https://www.nicap.org/83rsaps.htm
51.
Source: nicap.org
Link:https://www.nicap.org/ufoe/section_11.htm
52.
Source: nicap.org
Title: UFOsand Intelligence
Link:https://www.nicap.org/Intel/UFOsandIntelligence.pdf
53.
Source: archives.gov
Title: project blue book 50th anniversary
Link:https://www.archives.gov/news/articles/project-blue-book-50th-anniversary
54.
Source: archives.gov
Link:https://www.archives.gov/research/guide-fed-records/groups/341.html/1000
55.
Source: archive.org
Title: Brad Sparks Comprehensive Catalog of 1,600 Project Blue Book UFO Unknowns
Link:https://archive.org/download/BernardSieglerTechnicsAndTime1TheFaultOfEpimetheus/Brad%20Sparks%20-%20Comprehensive%20Catalog%20of%201%2C600%20Project%20Blue%20Book%20UFO%20Unknowns.pdf
56.
Source: nicap.org
Title: UF O Report
Link:https://www.nicap.org/501214knoxville_dir.htm
57.
Source: nicap.org
Link:https://www.nicap.org/docs_oakridge/fbi501021doc1.htm
58.
Source: Wikipedia
Link:https://en.wikipedia.org/wiki/Oak
59.
Source: Wikipedia
Title: 1947 flying disc craze
Link:https://en.wikipedia.org/wiki/1947_flying_disc_craze
60.
Source: Wikipedia
Title: UFO reports and atomic sites
Link:https://en.wikipedia.org/wiki/UFO_reports_and_atomic_sites
61.
Source: Wikipedia
Title: Project Blue Book
Link:https://en.wikipedia.org/wiki/Project_Blue_Book
Additional References
62.
Source: sott.net
Link:https://www.sott.net/article/249465-UFOs-and-atomic-nuclear-plants
Source snippet
UFOs and atomic/nuclear plants — High Strangeness... (11) objects and possibly more... reports of UFOs flying over the restricted area o...
63.
Source: youtube.com
Link:https://www.youtube.com/watch?v=1krk9u_5XYA
Source snippet
Declassified UFO Photos over East Tennessee NUCLEAR WEAPON Facility...
64.
Source: youtube.com
Link:https://www.youtube.com/watch?v=lDBAB78Q_cc
Source snippet
Pentagon Releases More UFO Files: Mystery Continues | Vantage on Firstpost | 4K...
65.
Source: osti.gov
Link:https://www.osti.gov/biblio/1037053
66.
Source: osti.gov
Link:https://www.osti.gov/opennet/manhattan-project-history/People/MilitaryOrgs/cic.html
67.
Source: osti.gov
Link:https://www.osti.gov/opennet/manhattan-project-history/People/MilitaryOrgs/military-police.html
68.
Source: osti.gov
Link:https://www.osti.gov/opennet/manhattan-project-history/People/NonTechnicalPersonnel/health.html
69.
Source: osti.gov
Link:https://www.osti.gov/opennet/manhattan-project-history/Places/LosAlamos/la-security.html
70.
Source: osti.gov
Link:https://www.osti.gov/opennet/manhattan-project-history/Places/OakRidge/oak-ridge.html
71.
Source: osti.gov
Link:https://www.osti.gov/opennet/manhattan-project-history/Places/OakRidge/oak-ridge-acquisition.html