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Shape / form From year To year Country Time of day Witnesses Evidence Status Duration Sound Colour Motion Lights Sources include Min photos Min videos Min sources Min score

3D model Narrated

“Ellsworth”

Stories3

The Elmwood UFO Incident: Officer George Wheeler on Tuttle Hill

April 22, 1976 · Tuttle Hill, near Elmwood, Pierce County, Wisconsin

United States

UAP · Other · 28 sources

21Thinly documented

The Fairpoint / Golf One Minuteman Launch-Site Sighting

July 6, 1966 · Fairpoint and the Golf One (G-01) launch control facility, Meade County, South Dakota

United States

UAP · Formation · 13 sources

35Partially documented

Ellsworth AFB Radar-Visual Case and F-84 Pursuit, South Dakota, 1953

August 5, 1953 · Black Hawk Ground Observer Corps post and Ellsworth Air Force Base, near Rapid City, South Dakota

United States

UAP · Other · 24 sources

60Well documented

Names3

Fran Ridge Person · 13 stories
Fran Ridge is a NICAP researcher and archivist whose notes appear across several Cold War radar and airline cases.
Gordon D. Thayer Person · 6 stories
Gordon D.
Ground Observer Corps Organisation · 3 stories
Civilian volunteers.

Documents8 · see all

Project Blue Book file scans Document

NICAP· 4 pages· 1 page mentions it
- p. 2 …He was north of Ellsworth AFB on a heading of 360 degrees magnetic when he saw a light 30-40…
The National Investigations Committee on Aerial Phenomena (Nicap) FOIA release

Central Intelligence Agency· 2001-03-12· 186 pages· 7 pages mention it
- p. 84 …Objects detected by radar, jets scrambled from Ellsworth AFB, S.D. 55 A, V December 1956 Far East USAF jet…
- p. 94 …The Ellsworth AFB case, in which two jet interceptors chased a UFO which turned and followed the first jet back…
Report on the Historical Record of U.S. Government Involvement with Unidentified Anomalous Phenomena, Volume I Report

All-domain Anomaly Resolution Office· 2024-03-08· 63 pages· 1 page mentions it
- p. 30 …intercontinental ballistic missile (ICBM) silos at Malmstrom, Ellsworth, Vandenberg, and Minot USAF bases between 1966 and 1977.98 Some of…
aaro historical record report volume 1 2024 Report

The Black Vault· 64 pages· 1 page mentions it
- p. 31 …intercontinental ballistic missile (ICBM) silos at Malmstrom, Ellsworth, Vandenberg, and Minot USAF bases between 1966 and 1977.98 Some of…
AARO Historical Record Report Volume 1 Report

All-domain Anomaly Resolution Office· 2024-03· 63 pages· 1 page mentions it
- p. 30 …intercontinental ballistic missile (ICBM) silos at Malmstrom, Ellsworth, Vandenberg, and Minot USAF bases between 1966 and 1977.98 Some of…
Historical Record Report Volume 1 March 8 2024 Report

Office of the Secretary of Defense· 63 pages· 1 page mentions it
- p. 30 …intercontinental ballistic missile (ICBM) silos at Malmstrom, Ellsworth, Vandenberg, and Minot USAF bases between 1966 and 1977.98 Some of…

All 8 documents →