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What Did Blue Book Find in Wyoming?

Sixteen official Wyoming cases show how sightings could be identified, left indeterminate or remain unresolved without proving anything extraordinary.

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On this page

  • The sixteen recorded Wyoming cases
  • How investigators tried to identify sightings
  • Why unresolved did not mean extraterrestrial
Preview for What Did Blue Book Find in Wyoming?

Introduction

Project Blue Book’s Wyoming record is small but revealing. A modern index of the declassified files identifies sixteen reports associated with the state, from Yellowstone National Park in 1949 to Moorcroft in 1963. They include observations by civilians, military personnel and pilots, yet they do not form a collection of sixteen unexplained mysteries. Some were matched with birds, meteors, satellites or other ordinary sources; some lacked enough information for a firm decision; and at least one remained officially unidentified despite investigators proposing a conventional explanation.[govweird]govweird.comProject Blue Book UFO Sightings in Wyoming (1947 to 1969) · govweird · govweird…

Overview image for Blue Book

That mixture is the main finding. The Wyoming files show that Blue Book’s labels were not always neat, consistent or well supported. “Unidentified” could mean that a plausible theory had not been proved, while “insufficient data” could sit beside a fairly confident explanation. Occasionally the record card and the accompanying investigation pointed in different directions. The files therefore offer evidence of official investigation and unresolved uncertainty, but not evidence that extraordinary aircraft or extraterrestrial visitors were present.

The sixteen recorded Wyoming cases

The sixteen indexed cases are distributed unevenly across fourteen years:

  • 1949: Yellowstone National Park[govweird.com]govweird.comyellowstone national park wy july 1949Project Blue Book: Yellowstone National Park, Wyoming, July 1949 · govweird…Published: july 1949 * 1953: Casper and Rock Springs[govweird.com]govweird.comrock springs wy december 1953Project Blue Book: ROCK SPRINGS, WYOMING, December 1953 · govweird…Published: december 1953
  • 1954: Cherokee and Sinclair * 1955: two Cheyenne cases[govweird.com]govweird.comcheyenne wy may 1955Project Blue Book: Cheyenne, Wyoming, May 1955 · govweird…Published: may 1955 * 1956: Cheyenne[govweird.com]govweird.comcheyenne wy may 1955Project Blue Book: Cheyenne, Wyoming, May 1955 · govweird…Published: may 1955 * 1957: Bill, Cheyenne, Tensleep and Thermopolis[govweird.com]govweird.comthermopolis wy october 1957Project Blue Book: Thermopolis, Wyoming, October 1957 · govweird…Published: october 1957 * 1958: Thermopolis[govweird.com]govweird.comthermopolis wy october 1957Project Blue Book: Thermopolis, Wyoming, October 1957 · govweird…Published: october 1957
  • 1961: Fort Washakie * 1962: Casper and Cora[govweird.com]govweird.comcasper wy august 1962Project Blue Book: Casper, Wyoming, August 1962 · govweird…Published: august 1962 * 1963: Moorcroft[govweird.com]govweird.commoorcroft wy april 1963Project Blue Book: Moorcroft, Wyoming, April 1963 · govweird…Published: april 1963

Cheyenne appears four times, more often than any other location in this particular index. That does not by itself establish a Wyoming “hotspot”. Cheyenne was a sizeable population centre with an airport, extensive railway traffic and nearby Francis E. Warren Air Force Base. Reports made there also had relatively direct routes into military and aviation reporting systems.[govweird]govweird.comProject Blue Book UFO Sightings in Wyoming (1947 to 1969) · govweird · govweird…

The files vary greatly in quality. The Rock Springs report of 29 December 1953, for example, described objects observed from a military aircraft for about seven minutes. The report attributed dramatic speeds and unusual changes of direction to them, but the surviving file contains only three scanned pages and was closed for insufficient data. It is an interesting military air-visual report, but the limited documentation prevents reliable reconstruction of distance, altitude or actual speed.[govweird]govweird.comrock springs wy december 1953Project Blue Book: ROCK SPRINGS, WYOMING, December 1953 · govweird…Published: december 1953

At the opposite end of the spectrum, the August 1962 Casper file runs to nineteen pages yet concerns a light seen for only one or two seconds before an oil tank blocked the witness’s view. Investigators discussed a meteor because of the object’s speed and short duration, but the record card classified it as “probably balloon” without clearly explaining why. More paperwork did not necessarily produce a more convincing conclusion.[govweird]govweird.comcasper wy august 1962Project Blue Book: Casper, Wyoming, August 1962 · govweird…Published: august 1962

This is why the number sixteen should be treated as an archival count, not a tally of strong anomalies. It represents reports that entered the Air Force system and were filed under Wyoming. It says nothing by itself about their evidential value.

Blue Book illustration 1

How investigators tried to identify sightings

Blue Book generally worked by comparing each account with known objects or events that could have appeared in the reported direction at the reported time. The programme used categories such as astronomical objects, balloons, aircraft and miscellaneous causes. Reports that could not be resolved were placed in either “insufficient data” or “unidentified”, depending on whether investigators believed enough usable information existed for an assessment.[GovInfo]govinfo.govGOVPUB PREX28 PURL gpo223327AARO Historical Record Report Volume 1…

The surviving Wyoming cases show several parts of that process in action: witness interviews, weather checks, enquiries to airport control towers, searches for aircraft or balloon activity, astronomical comparisons and attempts to reproduce unusual sounds. Their effectiveness depended heavily on how quickly a report arrived and how precisely the witness had recorded the sighting.

Birds over Yellowstone

The earliest indexed Wyoming case occurred at Shoshone Lake in Yellowstone National Park on 8 July 1949. A couple fishing in the early morning reported eight apparently round, metallic objects moving rapidly and irregularly. The principal witness heard a noise like the whirring of duck wings and compared the arrangement to a loose flock of birds.[govweird]govweird.comyellowstone national park wy july 1949Project Blue Book: Yellowstone National Park, Wyoming, July 1949 · govweird…Published: july 1949

The Air Force concluded that the objects were birds. Its analysis proposed that sunlight reflecting from wet plumage could make birds look brighter, larger and farther away than they were, particularly near dawn. That explanation fits the reported wing-like noise, the flock-like grouping and the tumbling movement better than a formation of engineered craft would. The file cannot prove exactly which birds were present, but it contains several independent clues pointing towards that ordinary interpretation.[govweird]govweird.comyellowstone national park wy july 1949Project Blue Book: Yellowstone National Park, Wyoming, July 1949 · govweird…Published: july 1949

A train mistaken for an aerial object

The October 1955 Cheyenne case is especially useful because investigators found a detailed local explanation. Two hunters reported a very loud whining noise; one eventually claimed to have seen a fast, dark object overhead. Their accounts changed during questioning, and one man admitted that he had only heard the sound. Investigators also found that surrounding residents had noticed nothing comparable, despite claims that the noise resembled several jet engines at full power.[govweird]govweird.comcheyenne wy october 1955Project Blue Book: Cheyenne, Wyoming, October 1955 · govweird…Published: october 1955

A Union Pacific locomotive with six diesel-electric engines had been climbing west of Cheyenne at almost exactly the reported time. Investigators concluded that wind, cool air and local terrain had carried and distorted the engine noise. They attributed the supposed visual details to expectation and imagination. Curiously, the case remained marked “unidentified” on the file even though the investigative comments identified the locomotive as the source.[govweird]govweird.comcheyenne wy october 1955Project Blue Book: Cheyenne, Wyoming, October 1955 · govweird…Published: october 1955

This discrepancy shows why Blue Book’s headline labels should not be read without the underlying documents. An “unidentified” entry could preserve an administrative classification even when the narrative portion of the file strongly favoured a mundane answer.

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The Sputnik-era fireball

A far more widely observed event was recorded under Thermopolis in October 1957. Military pilots and civilian witnesses across parts of Wyoming and Utah reported a brilliant blue-white object with a fiery tail. It illuminated the ground and appeared soon after the Soviet Union launched Sputnik, which encouraged fears that falling spacecraft or hostile technology might be involved.[govweird]govweird.comthermopolis wy october 1957Project Blue Book: Thermopolis, Wyoming, October 1957 · govweird…Published: october 1957

Air Force investigators interviewed witnesses and local sheriffs searched an area where a Navy pilot believed the object had struck the ground. Nothing was found. The investigation concluded that the object was a bright fireball meteor that disintegrated before reaching the surface. Its appearance, straight path, luminous tail and wide geographical visibility all supported that conclusion.[govweird]govweird.comthermopolis wy october 1957Project Blue Book: Thermopolis, Wyoming, October 1957 · govweird…Published: october 1957

The Thermopolis episode matters because multiple witnesses and military involvement did not automatically make a report mysterious. In this instance, broad observation actually helped identification: a large geographical spread and consistent flight path were characteristic of a distant atmospheric entry rather than a nearby structured craft.

Echo I over Moorcroft

By April 1963, artificial satellites had become another common source of unfamiliar lights. A Moorcroft witness reported a star-like object moving southeast at a steady, fairly high speed and suspected that it might be a satellite or weather device. The Air Force checked orbital information and found that the reflective Echo I satellite was passing over Wyoming in the same direction at the relevant time.[govweird]govweird.commoorcroft wy april 1963Project Blue Book: Moorcroft, Wyoming, April 1963 · govweird…Published: april 1963

The sighting was therefore given a conventional identification. The surviving record nevertheless appears to use a balloon-related category, probably because Echo I was a large inflatable communications satellite. This is another reminder that Blue Book’s fixed classification boxes did not always describe an explanation elegantly.[govweird]govweird.commoorcroft wy april 1963Project Blue Book: Moorcroft, Wyoming, April 1963 · govweird…Published: april 1963

Blue Book illustration 2

Where Blue Book could not reach a firm answer

Not every Wyoming report yielded a persuasive identification. The May 1955 Cheyenne case involved two airmen from Francis E. Warren Air Force Base who reported four objects south of the city. Two were described as slender and pale, while two darker oval objects displayed intermittent bluish-purple light. A Weather Bureau official found no unusual astronomical or meteorological condition that obviously accounted for the observation.[govweird]govweird.comcheyenne wy may 1955Project Blue Book: Cheyenne, Wyoming, May 1955 · govweird…Published: may 1955

Investigators considered research balloons released from California or Minnesota, but the report did not reach them until several days after the event and the balloon theory could not be established. The official evaluation remained unidentified. This is one of Wyoming’s clearer examples of a genuinely unresolved Blue Book case: named categories were considered, but the available information did not support a definitive match.[govweird]govweird.comcheyenne wy may 1955Project Blue Book: Cheyenne, Wyoming, May 1955 · govweird…Published: may 1955

Even here, however, the evidence has strict limits. There was no photograph, instrument reading, recovered material or independently measured range. Descriptions such as “baseball-sized” refer to apparent size, not physical dimensions. Without knowing distance, investigators could not calculate true size or speed. The file establishes that two airmen reported something they could not identify; it does not establish what that something was.

The August 1956 Cheyenne case presents a different form of uncertainty. A witness reported a silver object travelling rapidly behind a hill and believed that its passage had shattered the rear window of an abandoned car. The airport reported no aircraft in the area, and weather officials found no obvious atmospheric explanation. The Air Force decided that the object was probably a meteor and that it had not caused the broken window, but the surviving material gives little supporting analysis for separating the two events.[govweird]govweird.comcheyenne wy august 1956cheyenne wy august 1956Published: august 1956

That conclusion is plausible—temporal coincidence does not demonstrate physical causation—but not fully demonstrated. The case shows Blue Book doing two things at once: proposing an ordinary aerial explanation and rejecting an extraordinary connection between the sighting and property damage. The first judgement was tentative; the second rested largely on the absence of evidence linking the object to the window.

Why the classifications can be confusing

The Wyoming record exposes a recurring archival problem: the short label at the top of a file may not match the reasoning inside it. Examples include:

  • The October 1955 Cheyenne file was officially marked unidentified, although investigators concluded that a locomotive caused the sound and that no aerial object had been present.
  • The August 1962 Casper card appears to select a balloon category, while its written comments discuss a meteor.
  • The October 1957 Thermopolis page may be indexed as insufficient or unknown in modern databases, even though the Air Force narrative confidently identifies a fireball.
  • The Moorcroft sighting was matched to Echo I, but the form’s category appears to treat it as a balloon-related object.[govweird]govweird.comcheyenne wy october 1955Project Blue Book: Cheyenne, Wyoming, October 1955 · govweird…Published: october 1955

Some confusion may come from imperfect forms, later data entry, difficult microfilm or differences between a case’s initial and final evaluation. The National Archives holds the Blue Book files as chronologically arranged case records, with control sheets summarising the reports and their conclusions. Modern indexes make those records easier to find, but they can also flatten a complicated file into one searchable label.[National Archives]archives.govOpen source on archives.gov.

For readers assessing Wyoming’s cases, the safest method is therefore to distinguish three levels of information:

  1. What the witness reported.
  2. What investigators proposed in their notes.
  3. What classification was entered on the record card.

Where those levels agree, confidence in the historical interpretation is stronger. Where they conflict, the conflict should be preserved rather than resolved by selecting whichever label sounds most dramatic.

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Why unresolved did not mean extraterrestrial

Project Blue Book ended with 12,618 reports in its national holdings, 701 of which remained classified as unidentified. The Air Force’s formal conclusion was that none of the investigated reports demonstrated a threat to national security, technology beyond contemporary scientific knowledge or extraterrestrial vehicles.[National Archives]archives.govNational Archives Project BLUE BOOKNational Archives Project BLUE BOOK

The Wyoming cases do not overturn that conclusion. None of the sixteen indexed files supplies verified physical material, calibrated photographs, confirmed radar tracks demonstrating extraordinary performance or measurements sufficient to establish an object’s size, distance and speed. Even the stronger reports mainly preserve testimony describing lights or objects under uncertain viewing conditions.

“Unidentified” was an evidential status, not an explanation. It meant that Blue Book had not made a satisfactory identification from the available material. A report might remain in that category because its description did not fit a known object, but it could also remain there because the report arrived late, key timings were uncertain, witnesses disagreed or investigators lacked the information needed to test a promising theory.

“Insufficient data” was more explicit: the report did not contain enough reliable detail for meaningful evaluation. The Rock Springs military observation illustrates the problem. Although the claimed behaviour sounds impressive, the short file provides no independent range or instrument-derived velocity. An estimated speed of 1,500 or 2,000 miles per hour cannot be verified when the distance to the observed light is unknown.[govweird]govweird.comrock springs wy december 1953Project Blue Book: ROCK SPRINGS, WYOMING, December 1953 · govweird…Published: december 1953

Later official reviews have retained the same fundamental distinction. The Pentagon’s All-domain Anomaly Resolution Office described Blue Book’s categories as identified, insufficient data and unidentified, and reiterated that unresolved historical reports did not amount to evidence of extraterrestrial vehicles. It also noted the enormous scale and uneven character of the archive: thousands of files, mostly documentary, with photographs and other supporting material comparatively rare.[GovInfo]govinfo.govGOVPUB PREX28 PURL gpo223327AARO Historical Record Report Volume 1…

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What Blue Book actually found in Wyoming

Taken together, the sixteen files do not reveal a single Wyoming phenomenon. They record several different reporting problems placed under one administrative heading: birds seen in reflective morning light, a train heard under unusual acoustic conditions, a bright meteor during the anxiety surrounding Sputnik, a visible satellite, fleeting lights, sparsely documented aerial observations and a few cases that resisted firm identification.

The strongest conventional conclusions are those supported by several matching details. The Yellowstone report contained the sound, motion and arrangement expected from birds. The Cheyenne locomotive explanation matched the timing, direction and character of the reported noise. The Thermopolis fireball was seen across a broad region and displayed the luminous trail and straight course of a meteor. The Moorcroft light coincided with a known satellite pass.[govweird]govweird.comyellowstone national park wy july 1949Project Blue Book: Yellowstone National Park, Wyoming, July 1949 · govweird…Published: july 1949

The genuinely unresolved material is narrower. The May 1955 Cheyenne observation remains noteworthy because it involved two airmen, clear weather and an attempted investigation that could not confirm the suggested balloon explanation. Yet it still lacks the measurements and independent records needed to show that the objects performed in an extraordinary way.[govweird]govweird.comcheyenne wy may 1955Project Blue Book: Cheyenne, Wyoming, May 1955 · govweird…Published: may 1955

Blue Book’s Wyoming legacy is therefore not that the Air Force proved or disproved every sighting. It is that ordinary explanations could be persuasive, tentative or poorly recorded; administrative labels could conflict with investigative notes; and unexplained cases could survive without supplying positive evidence for an extraordinary origin. For Wyoming’s UFO history, that is the most important conclusion: mystery remained, but proof did not.

Blue Book illustration 3

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Endnotes

1. Source: govweird.com
Link:https://www.govweird.com/topics/ufo/project-blue-book/state/wyoming

Source snippet

Project Blue Book UFO Sightings in Wyoming (1947 to 1969) · govweird · govweird...

2. Source: govweird.com
Title: yellowstone national park wy july 1949
Link:https://www.govweird.com/topics/ufo/project-blue-book/yellowstone-national-park-wy-july-1949

Source snippet

Project Blue Book: Yellowstone National Park, Wyoming, July 1949 · govweird...

Published: july 1949

3. Source: govweird.com
Title: moorcroft wy april 1963
Link:https://www.govweird.com/topics/ufo/project-blue-book/moorcroft-wy-april-1963

Source snippet

Project Blue Book: Moorcroft, Wyoming, April 1963 · govweird...

Published: april 1963

4. Source: govweird.com
Title: cheyenne wy may 1955
Link:https://www.govweird.com/topics/ufo/project-blue-book/cheyenne-wy-may-1955

Source snippet

Project Blue Book: Cheyenne, Wyoming, May 1955 · govweird...

Published: may 1955

5. Source: govweird.com
Title: cheyenne wy october 1955
Link:https://www.govweird.com/topics/ufo/project-blue-book/cheyenne-wy-october-1955

Source snippet

Project Blue Book: Cheyenne, Wyoming, October 1955 · govweird...

Published: october 1955

6. Source: govweird.com
Title: rock springs wy december 1953
Link:https://www.govweird.com/topics/ufo/project-blue-book/rock-springs-wy-december-1953

Source snippet

Project Blue Book: ROCK SPRINGS, WYOMING, December 1953 · govweird...

Published: december 1953

7. Source: govweird.com
Title: casper wy august 1962
Link:https://www.govweird.com/topics/ufo/project-blue-book/casper-wy-august-1962

Source snippet

Project Blue Book: Casper, Wyoming, August 1962 · govweird...

Published: august 1962

8. Source: govinfo.gov
Title: GOVPUB PREX28 PURL gpo223327
Link:https://www.govinfo.gov/content/pkg/GOVPUB-PREX28-PURL-gpo223327/pdf/GOVPUB-PREX28-PURL-gpo223327.pdf

Source snippet

AARO Historical Record Report Volume 1...

9. Source: govweird.com
Title: thermopolis wy october 1957
Link:https://www.govweird.com/topics/ufo/project-blue-book/thermopolis-wy-october-1957

Source snippet

Project Blue Book: Thermopolis, Wyoming, October 1957 · govweird...

Published: october 1957

10. Source: govweird.com
Title: cheyenne wy august 1956
Link:https://www.govweird.com/topics/ufo/project-blue-book/cheyenne-wy-august-1956
Published: august 1956

11. Source: archives.gov
Link:https://www.archives.gov/news/articles/project-blue-book-50th-anniversary

12. Source: archives.gov
Title: National Archives Project BLUE BOOK
Link:https://www.archives.gov/research/military/air-force/ufos

13. Source: unwritten-record.blogs.archives.gov
Link:https://unwritten-record.blogs.archives.gov/2014/07/

14. Source: prologue.blogs.archives.gov
Title: saucers over washington the history of project blue book
Link:https://prologue.blogs.archives.gov/2019/12/19/saucers-over-washington-the-history-of-project-blue-book/

15. Source: archives.gov
Link:https://www.archives.gov/research/topics/uaps/photographs

16. Source: unwritten-record.blogs.archives.gov
Link:https://unwritten-record.blogs.archives.gov/category/photographs/page/16/

17. Source: archives.gov
Link:https://www.archives.gov/citizen-archivist/missions

18. Source: archives.gov
Title: nara documents2
Link:https://www.archives.gov/research/foreign-policy/cold-war/1961-berlin-crisis/nara-documents2

19. Source: prologue.blogs.archives.gov
Title: invasion of privacy
Link:https://prologue.blogs.archives.gov/2018/04/09/invasion-of-privacy/

20. Source: archives.gov
Link:https://www.archives.gov/news/articles

21. Source: unwritten-record.blogs.archives.gov
Title: project blue book ufos in home movies
Link:https://unwritten-record.blogs.archives.gov/2013/10/28/project-blue-book-ufos-in-home-movies/

22. Source: archives.gov
Title: air force
Link:https://www.archives.gov/research/military/air-force

23. Source: archives.gov
Link:https://www.archives.gov/research/catalog/catalog-bulk-downloads/uap-bulk-download

24. Source: archives.gov
Title: still pictures guide
Link:https://www.archives.gov/research/guides/still-pictures-guide

25. Source: archives.gov
Title: Federal Records Guide: Alphabetical Index
Link:https://www.archives.gov/research/guide-fed-records/index-alpha/a.html

26. Source: archives.gov
Link:https://www.archives.gov/research/alic/periodicals/nara-citations/genealogy.html

27. Source: govweird.com
Title: 37 12n 173 12w october 1962 28999564
Link:https://www.govweird.com/topics/ufo/project-blue-book/37-12n-173-12w-october-1962-28999564
Published: october 1962

28. Source: govweird.com
Link:https://www.govweird.com/

29. Source: govweird.com
Link:https://www.govweird.com/topics/ufo/project-blue-book/year/1959

30. Source: govweird.com
Link:https://www.govweird.com/topics/ufo/project-blue-book/year/1961

31. Source: govweird.com
Link:https://www.govweird.com/topics/ufo/project-blue-book/year/1960

32. Source: govweird.com
Link:https://www.govweird.com/topics/ufo/project-blue-book/year/1962

33. Source: govweird.com
Link:https://www.govweird.com/topics/ufo/project-blue-book/year/1963

34. Source: history.com
Title: Project Blue Book
Link:https://www.history.com/articles/project-blue-book

35. Source: Wikipedia
Title: Project Blue Book
Link:https://en.wikipedia.org/wiki/Project_Blue_Book

36. 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

Additional References

37. Source: youtube.com
Title: Project Blue Book: Declassified
Link:https://www.youtube.com/watch?v=UKzI3uu_oTQ

Source snippet

Project Blue Book UFO cases Project Blue Book's 10 Scariest UFO Files: Cases They Couldn't Explain America's Strangest History...

38. Source: nsa.gov
Link:https://www.nsa.gov/portals/75/documents/news-features/declassified-documents/ufo/usaf_fact_sheet_95_03.pdf

39. Source: reddit.com
Link:https://www.reddit.com/r/UFOs/comments/1ccnj6t/aaro_does_not_have_a_100_confidence_in_its_report/

40. Source: af.mil
Link:https://www.af.mil/About-Us/Fact-Sheets/Display/Article/104590/unidentified-flying-objects-and-air-force-project-blue-book/

41. Source: facebook.com
Link:https://www.facebook.com/HISTORY/posts/during-the-cold-war-as-project-blue-book-investigated-potential-ufo-threats-a-sh/1473622884330683/

42. Source: wyominghistoryday.org
Link:https://www.wyominghistoryday.org/theme-topics/unidentified-flying-objects

43. Source: secretsdeclassified.af.mil
Link:https://www.secretsdeclassified.af.mil/Fact-Sheets/Display/Article/459832/project-blue-book/

44. Source: esd.whs.mil
Link:https://www.esd.whs.mil/Portals/54/Documents/FOID/Reading%20Room/UFOsandUAPs/proj_b1.pdf?ver=2017-05-22-113513-837

45. Source: buckrail.com
Link:https://buckrail.com/weird-wyo-from-ufos-to-mystery-sounds-and-strange-formations-wyoming-is-a-planet-all-its-own/

46. Source: youtube.com
Title: The Alien Interview Explained
Link:https://www.youtube.com/watch?v=MoMshUkZfY0

Source snippet

Project Blue Book: Declassified - The True Story of the D.C. UFO Sightings...