Within North Korea UFOs

Which Korean War UFO Stories Hold Up?

Other wartime stories include radar contacts, strange lights and alleged illness, but most survive through incomplete or retrospective evidence.

35 sources 3 graphics

On this page

  • Radar and visual reports
  • The soldiers' illness story
  • Confirmed reports versus later retellings
Preview for Which Korean War UFO Stories Hold Up?

Introduction

Beyond the better-known January 1952 Wonsan–Sunchon bomber encounters, the Korean War generated a wider collection of UFO stories connected with what is now North Korean territory and the surrounding combat zone. These include radar contacts, unusual lights reported by aircrews, and a later story claiming that American soldiers became seriously ill after an encounter with a glowing object. The historical record, however, is uneven. Some incidents are documented in contemporary military intelligence reports, while others depend almost entirely on witness recollections recorded decades after the war.

War Claims illustration 1

The key distinction is therefore not whether unusual reports existed—they clearly did—but how well each claim can be verified. Contemporary operational records generally confirm that military personnel reported unexplained aerial phenomena during the war. They do not confirm extraordinary technology or extraterrestrial craft. Later accounts involving physical effects and dramatic interpretations are much more difficult to substantiate.

Which wartime reports are supported by contemporary records?

The strongest evidence beyond the Wonsan case comes from military records documenting radar and visual contacts during 1951–1952. These reports were produced during the conflict itself rather than reconstructed many years later.

Radar and visual reports

American and United Nations forces operating around North Korea frequently relied on ground radar, airborne radar and visual observation. Because of the heavy air war involving Soviet-built MiG fighters, electronic surveillance was routine, meaning unusual contacts occasionally entered intelligence reporting.

One of the most discussed examples occurred on 26 May 1952, when an F-94 interceptor operating near North Korea reportedly received ground radar guidance toward an unidentified target. According to surviving intelligence extracts, the crew obtained an airborne radar lock while simultaneously observing a brilliant white light ahead. The target reportedly climbed and accelerated away faster than the interceptor could close the distance. Military analysts nevertheless treated the case cautiously, suggesting possible radar malfunction or other conventional explanations despite acknowledging that both radar and visual observations had been reported.[Project 1947]project1947.comProject 1947PROJECT 1947 - UFO REPORTS 1952 - Korea - Wonsan SunchonFebruary 19, 1952…Published: February 19, 1952

Other archived intelligence summaries include:

  • radar contacts detected by naval vessels operating off the Korean coast;
  • unexplained high-speed radar targets observed by air-defence stations;
  • combined radar and visual reports whose causes remained officially unresolved at the time;
  • reports that intelligence officers considered potentially attributable to balloons, unusual aircraft or equipment limitations rather than immediately treating them as unknown craft.[Project 1947]project1947.comProject 1947PROJECT 1947: Jan Aldrich - Korea UFO Reports - FEAF - ATILO - 1951-52…

These cases demonstrate that unidentified aerial reports existed throughout the war rather than being confined to a single night over Wonsan. However, most surviving files are operational summaries rather than detailed investigations, limiting what can be concluded today.

2:30

The soldiers’ illness story

Among Korean War UFO claims, the most dramatic is not an aviation encounter but an alleged battlefield incident involving infantry.

According to former American soldier Francis P. Wall, his unit near Chorwon in May 1951 observed a glowing object descending towards an area under artillery bombardment. Wall later claimed that troops fired at the object, heard metallic impacts, and were then exposed to a visible pulsing beam that caused burning sensations, weakness and later widespread illness. He further recalled that many members of the company were evacuated several days afterwards with dysentery and unusually high white blood cell counts.[History]history.comkorean war us army ufo attack illnessWhen Dozens of Korean War GIs Claimed a UFO Made Them Sick | HISTORYSeptember 13, 2018…Published: September 13, 2018

The account became widely known only decades later through interviews conducted by UFO researchers rather than through wartime military documentation. That timing creates several evidential problems.

First, no contemporaneous military report describing an attack by an unidentified flying object has been located. Second, although Wall stated that numerous fellow soldiers witnessed the event, few independent witnesses have publicly corroborated the full sequence of events. Third, the reported medical symptoms are not unique to radiation exposure or an unknown energy source.

Military historians also note that Korean War conditions exposed soldiers to severe infectious disease, combat stress, exhaustion and poor sanitation. Dysentery was common throughout the campaign, while elevated white blood cell counts are consistent with bacterial infection rather than being specific evidence of an exotic weapon. Psychological trauma may also have influenced later recollections of extraordinary events.[History]history.comkorean war us army ufo attack illnessWhen Dozens of Korean War GIs Claimed a UFO Made Them Sick | HISTORYSeptember 13, 2018…Published: September 13, 2018

This does not prove Wall fabricated his experience. Rather, it means the central claim cannot presently be verified using contemporary documentary evidence.

War Claims illustration 2

Why many wartime UFO stories became more dramatic over time

A noticeable pattern appears across Korean War UFO literature.

Reports preserved in intelligence files generally describe:

  • unidentified lights;
  • unknown radar contacts;
  • objects whose identity could not immediately be established;
  • observations made during complex combat operations.

Retellings published decades later often introduce additional elements such as:

  • apparent intelligent manoeuvring;
  • extraordinary acceleration;
  • directed-energy attacks;
  • physiological injuries;
  • speculation about Soviet secret technology or extraterrestrial craft.

The difference is important because later narratives frequently rely on memory rather than documentation. Human recollection can remain sincere while still changing over decades, particularly following stressful combat experiences.

The Cold War also encouraged competing interpretations. During the 1950s some observers proposed advanced Soviet experimental aircraft as an explanation for unusual sightings. Later, as those specific technological claims became less persuasive, extraterrestrial interpretations became more common within UFO literature. Neither explanation gained decisive support from surviving military records.[History]history.comkorean war us army ufo attack illnessWhen Dozens of Korean War GIs Claimed a UFO Made Them Sick | HISTORYSeptember 13, 2018…Published: September 13, 2018

9:14

Which claims hold up best?

When the available evidence is separated by quality, three broad categories emerge.

Well supported as historical reports

These include documented military sightings preserved in intelligence files, especially radar and aircrew reports produced during the Korean War itself. The existence of these reports is well established even when the objects remain unidentified.[Project 1947]project1947.comProject 1947PROJECT 1947 - UFO REPORTS 1952 - Korea - Wonsan SunchonFebruary 19, 1952…Published: February 19, 1952

Supported as witness testimony but weakly documented

The battlefield illness story involving Francis Wall belongs here. There is a consistent personal account recorded many years later, but little contemporary documentation linking the reported illnesses directly to an unidentified object.[History]history.comkorean war us army ufo attack illnessWhen Dozens of Korean War GIs Claimed a UFO Made Them Sick | HISTORYSeptember 13, 2018…Published: September 13, 2018

Unsupported or highly speculative interpretations

Claims that Korean War UFOs employed directed-energy weapons, represented captured Soviet technology, or demonstrated extraterrestrial intervention are not established by the surviving documentary record. These conclusions rely primarily on inference rather than contemporaneous evidence.

War Claims illustration 3

What these cases contribute to North Korea’s wartime UFO record

Taken together, these lesser-known Korean War stories show that unusual aerial reports around North Korea were more numerous than the famous Wonsan encounter alone would suggest. Contemporary military archives confirm that radar operators, interceptor crews and bomber personnel occasionally encountered phenomena they could not immediately identify during active combat.

At the same time, the evidential quality varies sharply from case to case. Radar contacts and aircrew reports benefit from contemporary operational documentation, even if they remain unexplained. The more sensational accounts—particularly those involving alleged illness or exotic weapons—depend largely on retrospective testimony and cannot presently be confirmed through surviving military or medical records.

For that reason, the broader Korean War UFO record beyond Wonsan is historically interesting chiefly as a collection of genuine wartime reports whose extraordinary interpretations remain considerably less secure than the existence of the reports themselves.

Amazon book picks

Further Reading

Books and field guides related to Which Korean War UFO Stories Hold Up?. Use these as the next step if you want deeper reading beyond the article.

eBay marketplace picks

Marketplace Samples

Live-tested eBay searches with available results related to this page.

UsingUSA

Selected frommilitary aviation art oneBay.co.uk.

Endnotes

1. Source: project1947.com
Link:https://www.project1947.com/fig/korea52a.htm

Source snippet

Project 1947PROJECT 1947 - UFO REPORTS 1952 - Korea - Wonsan SunchonFebruary 19, 1952...

Published: February 19, 1952

2. Source: project1947.com
Link:https://www.project1947.com/feaf/feafintros.htm

Source snippet

Project 1947PROJECT 1947: Jan Aldrich - Korea UFO Reports - FEAF - ATILO - 1951-52...

3. Source: history.com
Title: korean war us army ufo attack illness
Link:https://www.history.com/articles/korean-war-us-army-ufo-attack-illness

Source snippet

When Dozens of Korean War GIs Claimed a UFO Made Them Sick | HISTORYSeptember 13, 2018...

Published: September 13, 2018

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

Source snippet

Unidentified Flying Objects | National ArchivesJune 25, 2024 — PROJECT BLUE BOOK - UNIDENTIFIED FLYING OBJECTS GENERAL INFORMATION The Un...

Published: June 25, 2024

5. Source: project1947.com
Link:https://www.project1947.com/feaf/jahcv37.htm

6. Source: project1947.com
Link:https://www.project1947.com/feaf/index.htm

7. Source: project1947.com
Link:https://project1947.com/fig/1952a.htm

8. Source: project1947.com
Title: air kimpo 06061952
Link:https://www.project1947.com/feaf/air_kimpo_06061952.htm

9. Source: project1947.com
Link:https://www.project1947.com/feaf/18_april_52_1.htm

10. Source: history.state.gov
Link:https://history.state.gov/historicaldocuments/frus1951v07p1/d557

Additional References

11. Source: wearethemighty.com
Title: The time dozens of Korean service members claimed a UFO made them sick
Link:https://www.wearethemighty.com/mighty-history/korean-service-members-ufo-sickness/

Source snippet

October 8, 2020 — THE TIME DOZENS OF KOREAN SERVICE MEMBERS CLAIMED A UFO MADE THEM SICK As a group of American soldiers were preparing t...

Published: October 8, 2020

12. Source: weirddarkness.com
Title: The Night an American Soldier Shot at a UFO — and Something Shot Back
Link:https://weirddarkness.com/korean-war-ufo/

Source snippet

There was no official military framework in 1951 for documenting what they had just seen, and the more immediate concern was what their s...

13. 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/

Source snippet

Cold War and UFOs | The National ArchivesMay 23, 2019 — The files give an idea of how the public views our skies, how they perceived what...

Published: May 23, 2019

14. Source: richardaustinwriter.com
Title: Project Blue Book – Season 1: Episode 8 Review
Link:https://richardaustinwriter.com/2019/05/23/project-blue-book-season-1-episode-8-review/

Source snippet

May 23, 2019 — A SCI-FI ADVENTURE BY RICHARD AUSTIN PROJECT BLUE BOOK – SEASON 1: EPISODE 8 REVIEW Posted on May 23, 2019May 23, 2019 by...

Published: May 23, 2019

15. Source: youtube.com
Link:https://www.youtube.com/watch?v=B5EaNouxaQc

Source snippet

Encounters that threatened America | UFOs: Top Secret Alien Files | History...

16. Source: youtube.com
Title: Encounters that threatened America | UFOs: Top Secret Alien Files | History
Link:https://www.youtube.com/watch?v=ilR7mCjtveE

Source snippet

PROJECT BLUE BOOK | "War Games" Sneak Peek...

17. Source: youtube.com
Title: US Soldiers Attacked By UFO In North Korea
Link:https://www.youtube.com/watch?v=4tDPMTw8oy8

Source snippet

Project Blue Book: Declassified – The True Story of The Korean War Encounter | History...

18. Source: cia.gov
Link:https://www.cia.gov/readingroom/document/cia-rdp80-00809a000700050155-3

19. Source: stronghold-nation.com
Link:https://www.stronghold-nation.com/history/myth/ufo-attack-during-the-korean-war

20. Source: nicap.org
Link:https://www.nicap.org/springkor.htm