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Bellefontaine Radar-Visual and Gun-Camera Intercept
August 1, 1952 · Bellefontaine Air Force Station (Campbell Hill) and the Dayton area, Ohio
United States
UAP · Sphere · 19 sources
54Partially documented
Kodiak Naval Radar-Visual Encounters: P2V-3 Patrol Plane and USS Tillamook
January 22, 1950 · Naval Air Station Kodiak, Kodiak, Alaska
United States
UAP · Other · 18 sources
51Partially documented
The Paget Silver Sphere, Bermuda 1949
June 20, 1949 · South Shore, Paget Parish, Bermuda
Bermuda
UAP · Sphere · 6 sources
21Thinly documented
The Gorman Dogfight
October 1, 1948 · Hector Airport, Fargo, North Dakota
United States
UAP · Orb / light · 58 sources
47Partially documented
Roswell Incident
July 8, 1947 · Foster ranch, about 30 miles south of Corona, New Mexico (announced from Roswell Army Air Field)
United States
UAP · Disc / saucer · 80 sources · 6 photos
64Well documented
Muroc Army Air Field disc sightings
July 8, 1947 · Muroc Army Air Field and Rogers Dry Lake, Kern County, California
United States
UAP · Disc / saucer · 25 sources
40Partially documented
The 1947 Flying Disc Craze: America's First Flying Saucer Wave
c. 1947 · United States (nationwide, heaviest in the Pacific states: California, Washington and Oregon)
United States
UAP · Disc / saucer · 31 sources
55Partially documented
The Trinity UFO Crash Claim
August 16, 1945 · Padilla ranch, west of San Antonio, Socorro County, New Mexico (near Interstate 25 exit 139)
United States
UAP · Egg · 62 sources
21Thinly documented
The Nicholas Roerich Expedition Sighting, Kukunor District, 1927
August 5, 1927 · Kukunor district, near the Humboldt chain (Danghe Nanshan / Ulan Daban), Qinghai
China
UAP · Egg · 35 sources
19Thinly documented
  • Central Intelligence Agency· 1953-02-09· 3 pages· 2 pages mention it
    • p. 1 …At the local weather station, it was stated that no balloons had been released at the time. ARCHIVAL RECORD PLEASE…
    • p. 2 …the Algerian weather bureau stated recently that the "flying saucers" seen recently over Algiers were only weather balloons which are…
  • Central Intelligence Agency· 1952-07-01· 19 pages· 3 pages mention it
    • p. 17 ## Part I = Weather Balloons 1. In the analysis of Flyobrpts prior to 1 Jul 52 approximately 15% were classified as…
    • p. 18 …These methods of approach will solve the problem of weather balloons. ## Part II - Upper Air Research Balloons 1. Specially designed…
  • Central Intelligence Agency· 1953-01-01· 6 pages· 3 pages mention it
    • p. 3 …the Algerian weather bureau stated recently that the "flying saucers" seen recently over Algiers were only weather balloons which are…
    • p. 4 …from the weather stations at Maison Blanche, Blida, and Boufarik. He said that in their underbellies, the balloons carry a…
  • Central Intelligence Agency· 1952-06-02· 26 pages· 3 pages mention it
    • p. 24 ## O ## Part I - Weather Balloons 1. In the analysis of Flyobrpts prior to 1 Jul 52 approximately 15% were classified…
    • p. 25 …These methods of approach will solve the problem of weather balloons. ## Part II - Upper Air Research Balloons 1. Specially designed…
  • NICAP· 9 pages· 3 pages mention it
    • p. 6 …LOCATION, APPROXIMATE ALTITUDE, AND GENERAL DIRECTION OF FLIGHT OF ANY AIR TRAFFIC OR BALLOON RELEASED: US WEATHER STATION, WILL ROGERS…
    • p. 7 …WEATHER BALLOON AT 85152 HOURS, 2 AUG 1969. WEATHER BALLOONS WOULD HAVE TRAVELED SOUTH, CHANGING AT DIFFERENT ALTITUDES TO SOUTHEAST…
  • Department of Defense. Department of the Air Force. Air Materiel Command. Intelligence Department. Technical Intelligence Division.· 1947· 17 pages· 4 pages mention it
    • p. 5 …All weather balloons in the United States are launched at 0300Z, 0900Z, 1500Z and 2100Z. If an object is reported…
    • p. 10 …BALLOON AND WEATHER DATA In order to achieve more positive identification of unidentified flying objects, the Air Technical Intelligence Center…

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