Did Ellsworth jets chase the Hot Springs object?

Introduction

In late 1956, the most widely repeated South Dakota UFO story centred on Hot Springs and an alleged military response from nearby Ellsworth Air Force Base. Unlike many reports from the wider 1956 sighting flap, the Hot Springs case gained a reputation for involving several layers of apparent official confirmation: local witnesses, police radio traffic, claims of radar tracking and reports that Air Force jets were scrambled to investigate. Those details helped elevate the incident from a local curiosity into one of the state’s best-known UFO stories. Yet they also created a long-running dispute about what was actually documented and what was added later through retellings. [SD Historical Society]sdhsf.orgThe UFO went off the radar. A fast-moving, brightSD Historical SocietyAugust 2021-Is it an airplane, star or flying saucer?“The Flying Saucer Reader” edited by Jay David contains an Ells…Published: August 2021

The central question is simple: did Ellsworth jets really chase an unidentified object near Hot Springs, or did later UFO literature merge separate reports into a stronger narrative than the surviving evidence supports? The answer remains uncertain. The case is important less because it proves an extraordinary event than because it shows how official-sounding details can strengthen a UFO report while simultaneously making it harder to untangle fact from repetition.

What witnesses at Hot Springs said they saw

By the end of 1956, South Dakota newspapers and national UFO enthusiasts were already treating Hot Springs as one of the most significant reports in the state’s broader wave of sightings. Accounts generally described a bright object observed in the early morning hours, attracting attention because it appeared unusual enough to generate police communications and military interest.

Later summaries often presented the object as something more substantial than a distant light. In some versions it was described as manoeuvring, remaining visible for an extended period or behaving in ways that witnesses considered inconsistent with an ordinary aircraft. As with many night-time UFO reports from the 1950s, however, the surviving descriptions vary considerably depending on the source consulted.

A recurring problem is that many modern retellings rely on secondary UFO compilations rather than original police logs, Air Force records or complete newspaper accounts. The basic claim that witnesses saw an unusual object is relatively consistent. The details of shape, distance, altitude and movement are much less stable. That instability matters because estimates of size and speed in night-sky observations are often the weakest parts of a witness report.

The Hot Springs sighting became influential not because the visual description itself was unusually detailed, but because later writers linked it to military and law-enforcement activity. That official connection became the real story.

Police radio, radar claims and the Ellsworth connection

The element that transformed the Hot Springs report into a major South Dakota UFO case was the claim that police radio operators and military personnel became involved while the object was still being observed.

According to later UFO literature, police communications in the Hot Springs area reported the object and information was passed through official channels. The story then expanded to include claims that radar detected an unknown target and that fighter aircraft from Ellsworth Air Force Base were sent to investigate. Variants of the account describe interceptor jets attempting to approach the object before losing contact or failing to identify it. [CIA]cia.govcia rdp81r00560r000100010001 0CIATHE NATIONAL INVESTIGATIONS COMMITTEE ON…Objects detected by radar, jets scrambled from Ellsworth AFB, S.D. A, V December 1956 USAF…Published: December 1956

These claims sounded plausible within the Cold War setting of western South Dakota. Ellsworth was not merely an ordinary airfield. It played a significant role in continental air defence, operating radar and ground-controlled interception systems designed to identify unknown aircraft approaching American airspace. By the mid-1950s, directing interceptor aircraft towards radar contacts was a routine part of the base’s mission. [Wikipedia]WikipediaEllsworth Air Force BaseEllsworth Air Force Base

That context helped make the Hot Springs story credible to many readers. If a strange object appeared and radar operators noticed it, scrambling aircraft would not have been extraordinary in itself. The crucial question is whether the scramble, radar track and UFO report can all be demonstrated from the same documented incident.

The difficulty is that surviving public evidence is thin. UFO organisations later listed a December 1956 Ellsworth-related case involving a United States Air Force jet tracking an unidentified object, sometimes accompanied by claims of radar speeds far beyond known aircraft performance. [CIA]cia.govcia rdp81r00560r000100010001 0CIATHE NATIONAL INVESTIGATIONS COMMITTEE ON…Objects detected by radar, jets scrambled from Ellsworth AFB, S.D. A, V December 1956 USAF…Published: December 1956

However, published summaries often provide only brief catalogue entries rather than complete operational records. In many versions of the story, the radar claims, police reports and interceptor actions appear together without enough primary documentation to show exactly how each element was recorded at the time. That gap is where much of the later dispute begins.

Why later summaries strengthened and muddied the case

The Hot Springs report gained strength through repetition. Once UFO researchers began compiling national case lists in the late 1950s and 1960s, incidents involving radar and military aircraft naturally attracted attention. A report involving witnesses alone might remain local. A report involving police radio traffic, radar operators and fighter jets could be cited as evidence that official agencies had encountered something unexplained.

The problem is that repeated retellings sometimes compressed separate layers of evidence into a single dramatic narrative. Readers could easily come away with the impression that every component had been independently verified when the underlying record was far less complete.

This pattern appears elsewhere in South Dakota UFO history. The state already possessed an earlier and better-known military-linked UFO story connected to Ellsworth Air Force Base in 1953. That incident involved radar observations and interceptor aircraft and was later described by some Air Force personnel and UFO investigators as one of the stronger cases in official files. [SD Historical Society]sdhsf.orgThe UFO went off the radar. A fast-moving, brightSD Historical SocietyAugust 2021-Is it an airplane, star or flying saucer?“The Flying Saucer Reader” edited by Jay David contains an Ells…Published: August 2021 [NICAP]nicap.orgUFO Evidence 1964The UFO Evidence, 1964The Ellsworth AFB case, in which two jet interceptors chased a UFO which turned and followed the first jet back tow… Because the 1953 Ellsworth case became famous in UFO literature, later discussions of the 1956 flap sometimes blurred distinctions between different incidents. References to radar, interceptors and military tracking could reinforce the Hot Springs narrative even when details originated from separate Ellsworth-related reports. The result was a stronger overall story but a less precise historical record.

Another complication is that many modern references trace back to earlier UFO catalogues rather than newly discovered documentation. Once an account entered influential compilations, later authors often repeated the summary instead of rechecking original sources. Over time, uncertainty about what witnesses said, what police reported, what radar actually detected and what pilots encountered became harder to separate.

Was there ever a confirmed jet chase?

No publicly available evidence demonstrates a fully documented chase in which Ellsworth pilots visually identified an extraordinary object over Hot Springs and confirmed its nature.

That does not mean no aircraft were launched. Air-defence forces regularly investigated unknown radar returns during the 1950s, and the claim that jets were dispatched is not inherently implausible. The issue is evidential rather than operational. The surviving public record does not clearly establish the complete chain from witness report to radar contact to interceptor encounter.

Several possibilities remain open:

Because original documentation is limited, none of those explanations can be ruled out with confidence.

Why the dispute still matters in South Dakota UFO history

The Hot Springs–Ellsworth story occupies a distinctive place in the 1956 South Dakota flap because it sits at the intersection of civilian observation and Cold War military infrastructure. Many statewide reports involved little more than lights in the sky. Hot Springs appeared different because official institutions seemed to enter the narrative.

That distinction explains why the case survived while many other 1956 sightings faded from memory. Readers tend to give greater weight to reports involving police communications, radar operators and military aircraft than to isolated eyewitness accounts. Yet those same features demand stronger evidence than survives today.

The enduring significance of the Hot Springs report is therefore not that it proves an unknown craft was chased by Ellsworth jets. Rather, it demonstrates how UFO cases acquire authority. A sighting linked to law enforcement, radar and military action can become one of the most repeated stories in a state’s UFO history even when the documentary trail remains incomplete. Within South Dakota’s 1956 flap, that tension between apparent official confirmation and uncertain documentation is precisely what makes the Hot Springs dispute worth examining.

Amazon book picks

Further Reading

Books and field guides related to Did Ellsworth jets chase the Hot Springs object?. Use these as the next step if you want deeper reading beyond the article.

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The Report on Unidentified Flying Objects

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Covers Blue Book-era military UFO investigations similar to the Hot Springs case.

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Browse more on Amazon: The Report on Unidentified Flying Objects UFOs Encounter in Rendlesham Forest

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Endnotes

1. Source: cia.gov
   Title: cia rdp81r00560r000100010001 0
   Link: https://www.cia.gov/readingroom/document/cia-rdp81r00560r000100010001-0
   Source snippet

   CIATHE NATIONAL INVESTIGATIONS COMMITTEE ON...Objects detected by radar, jets scrambled from Ellsworth AFB, S.D. A, V December 1956 USAF...

   Published: December 1956

2. Source: Wikipedia
   Title: Ellsworth Air Force Base
   Link: https://en.wikipedia.org/wiki/Ellsworth_Air_Force_Base

3. Source: nicap.org
   Title: UFO Evidence 1964
   Link: https://www.nicap.org/ufoe/UFO%20Evidence%201964.pdf
   Source snippet

   The UFO Evidence, 1964The Ellsworth AFB case, in which two jet interceptors chased a UFO which turned and followed the first jet back tow...

4. Source: Wikipedia
   Title: List of accidents and incidents involving military aircraft (1960–1969)
   Link: https://en.wikipedia.org/wiki/List_of_accidents_and_incidents_involving_military_aircraft_%281960%E2%80%931969%29
   Source snippet

   Not all of the aircraft were in operation at the time.Read more...

5. Source: sdhsf.org
   Title: The UFO went off the radar. A fast-moving, bright
   Link: https://www.sdhsf.org/news_events/history_articles.html/title/august-2021-is-it-an-airplane-star-or-flying-saucer-
   Source snippet

   SD Historical SocietyAugust 2021-Is it an airplane, star or flying saucer?“The Flying Saucer Reader” edited by Jay David contains an Ells...

   Published: August 2021

6. Source: scribd.com
   Link: https://www.scribd.com/document/435187388/The-UFO-Evidence
   Source snippet

   ScribdThe UFO Evidence | PDF | Unidentified Flying Object... UFO passed. round UFO by Air Force jet pilot. Radar jammed by (+)11... AFB...

7. Source: yumpu.com
   Title: The UFO Evidence
   Link: https://www.yumpu.com/en/document/view/24225463/the-ufo-evidence-nicap
   Source snippet

   Nicap6 Apr 2014 — Discussion of the implications of <strong>UFO</strong>s, and what is needed in the way of a scientific investigation. A...

Additional References

1. Source: govinfo.gov
   Link: https://www.govinfo.gov/content/pkg/GPO-CRECB-1966-pt6/pdf/GPO-CRECB-1966-pt6-7-2.pdf
   Source snippet

   SENATEUnited States to permit voluntary- particlpa.- tlon 1n prayer in publlc schools~ to the Com- mittee on the Judiciary. By Mr. WAGGON...

2. Source: gutenberg.org
   Link: https://www.gutenberg.org/cache/epub/17346/pg17346.html
   Source snippet

   The Report on Unidentified Flying ObjectsThe caller was a man whom 111 call Simpson, who had met Brown when Brown investigated an earlier...

3. Source: arxiujosepserradell.cat
   Link: https://arxiujosepserradell.cat/wp-content/uploads/2026/04/The-State-of-Native-America-genocide-colonization-and-resistance-Jaimes-M.-Annette-z-library.sk-1lib.sk-z-lib.sk_.pdf

4. Source: facebook.com
   Title: in 1956 the development of a flying saucer took a dangerous turn when testing al
   Link: https://www.facebook.com/TheUnXplainedZone/posts/in-1956-the-development-of-a-flying-saucer-took-a-dangerous-turn-when-testing-al/1287486646914098/
   Source snippet

   In 1956, the development of a flying saucer took...In 1956, the development of a flying saucer took a dangerous turn when testing almost...

5. Source: facebook.com
   Title: they thought it was ufos but it was a classified weapon to attack america via th
   Link: https://www.facebook.com/atlasmirabilium/posts/they-thought-it-was-ufos-but-it-was-a-classified-weapon-to-attack-america-via-th/122181875852803868/
   Source snippet

   They thought it was UFOs, but it was a classified weapon...**Ellsworth AFB Incident (1977)** The Newell South Dakota UFO encounter invol...

6. Source: facebook.com
   Title: on this day in 1956 november 25 1956 430 am police radio at hot springs south da
   Link: https://www.facebook.com/centerforufostudies/photos/on-this-day-in-1956-november-25-1956-430-am-police-radio-at-hot-springs-south-da/857806913636292/
   Source snippet

   Center for UFO Studies25 Nov 2025 — very similar, so that direct mean it's not a UFO. May be an image of... Sticker, Bright green alien...

7. Source: enigmalabs.io
   Title: Enigma Labs | Report a UFO sighting Ellsworth Air Force Base Incident
   Link: https://enigmalabs.io/library/cbebd9ab-9279-43fa-9f20-6830f0113c1d
   Source snippet

   Ellsworth Air Force Base Incident... UFO report in the Air Force files.”¹. Background. On the evening of 5 August 1953, several military...

   Published: August 1953

8. Source: ia600600.us.archive.org
   Title: 492780987 The UFO Book Encyclopedia of the Extraterrestrial PDFDrive
   Link: https://ia600600.us.archive.org/32/items/492780987-the-ufo-book-encyclopedia-of-the-extraterrestrial-pdfdrive/492780987-The-UFO-Book-Encyclopedia-of-the-Extraterrestrial-PDFDrive.pdf
   Source snippet

   UFO book: encyclopedia of the extraterrestrialThe UFO Book is a creative work fully protected by all applicable copyright laws, as well...

9. Source: sdhspress.com
   Title: vol 12 no 1 united states air force efforts to investigate ufos
   Link: https://www.sdhspress.com/journal/south-dakota-history-12-1/united-states-air-force-efforts-to-investigate-ufos-great-plains-encounters/vol-12-no-1-united-states-air-force-efforts-to-investigate-ufos.pdf
   Source snippet

   United States Air Force Efforts to Investigate UFOsby LH LARSEN · 1982 — During World War II, un- manned war balloons launched into the j...

10. Source: eisenhowerlibrary.gov
    Title: world warii participants and contemporaries
    Link: https://www.eisenhowerlibrary.gov/sites/default/files/finding-aids/pdf/world-warii-participants-and-contemporaries.pdf
    Source snippet

    World War II Participants and Contemporaries: PapersListing of recreational activities Hot Springs, AR 1945; “War News Summary” from...