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The Maslin Beach Photographs (Eric Thomason), 1993
March 10, 1993 · Ochre Point, Maslin Beach, south of Adelaide, South Australia
UAP · Disc / saucer · 19 sources · 8 photos
24Thinly documented
The KGB Blue Folder: Mineralnye Vody Airliner Sightings
October 15, 1987 · Mineralnye Vody, Nevinnomyssk, Stavropol and Nalchik area, North Caucasus
UAP · Cigar · 12 sources
32Partially documented
The Kōfu Incident (甲府事件)
February 23, 1975 · Kamimachi (Kamicho), Kōfu, Yamanashi Prefecture
UAP · Disc / saucer · 29 sources
27Thinly documented
The Coyne Helicopter Incident
October 18, 1973 · Near Mansfield and Charles Mill Lake, Richland County, Ohio
UAP · Cigar · 36 sources
40Partially documented
The 1973 UFO Flap: The Autumn of Aliens
c. 1973 · Southern and Midwestern United States (Mississippi, Louisiana, Alabama, Georgia, Tennessee, Ohio, Indiana)
UAP · Other · 37 sources
69Well documented
The Falcon Lake Incident
May 20, 1967 · Rock outcrop north of Falcon Lake, Whiteshell Provincial Park, Manitoba
UAP · Disc / saucer · 57 sources
44Partially documented
Joe Simonton's Space Pancakes, Eagle River, Wisconsin
April 18, 1961 · Joe Simonton's farm, four miles from Eagle River, Vilas County, Wisconsin
UAP · Disc / saucer · 26 sources
26Thinly documented
Capital Airlines Flight 77: the skeptic captain and the blue-white light (1956)
November 14, 1956 · Southeast of Jackson, Alabama, on the approach to Mobile
UAP · Orb / light · 18 sources
26Thinly documented
Elizabeth Klarer and Akon of Meton
April 1956 · Flying Saucer Hill, near Rosetta, Natal (KwaZulu-Natal), Drakensberg foothills
UAP · Being / humanoid · 30 sources · 2 photos
29Thinly documented
George Adamski's Desert Center Contact
November 20, 1952 · Colorado Desert, about 10 miles from Desert Center on the road toward Parker, Arizona, Riverside County, California
UAP · Being / humanoid · 46 sources
39Partially documented
Daniel Fry's White Sands Saucer Ride
July 4, 1950 · White Sands Proving Ground, near Las Cruces, New Mexico
UAP · Disc / saucer · 32 sources
22Thinly documented
The Little Green Men of Steep Rock Lake
July 2, 1950 · Sawbill Bay, near Steep Rock Lake, Atikokan, Ontario
UAP · Disc / saucer · 14 sources
7Thinly documented
Capt. Willis T. Sperry and the American Airlines DC-6 sighting near Mount Vernon, Virginia
May 29, 1950 · About seven miles west of Mount Vernon, Fairfax County, Virginia, after departure from Washington National Airport
UAP · Cigar · 13 sources
23Thinly documented
The Utsuro-bune (Hollow Ship) of Hitachi, 1803
1803 · Sharihama beach, Hasaki, Kamisu City, Ibaraki Prefecture (historic Hitachi Province)
UAP · Other · 34 sources
19Thinly documented
  • Defense Intelligence Agency· 57 pages· 7 pages mention it
    • p. 11 …The inner shell, or inner hull, surrounding that region contains whatever devices provide that safe environment. The outer shell contains…
    • p. 14 …The distorted regions in between represent the effects of both the outer and inner hull shells. The outer hull shell…
  • U.S. Department of War· 2010-11-01· 57 pages· 8 pages mention it
    • p. 12 …Therefore, two examples are described next for how breakthrough propulsion would require this provisional double-hull configuration. Why Double-Hull…
    • p. 14 …The distorted regions in between represent the effects of both the outer and inner hull shells. The outer hull shell…
  • Central Intelligence Agency· 1990-03-01· 2 pages· 1 page mentions it
    • p. 1 …THE CHARACTERISTIC PINEAPPLE PLATELETS COVER THE HULL. OTHERS ARE NOT UNLIKE HUGH TRIANGULAR MILK CARTONS. AND THE THIRD GROUP ARE…
  • U.S. Department of War· 2022-05-29· 9 pages· 1 page mentions it
    • p. 6 …AT 0344Z, ONE PROBABLE GORSHKOV FFG, HULL 461 HEADED EAST IVO 36SUD74wl~ AT 0405Z ONE PROBABLE UDALOY I DD, HULL…
  • Ministry of Defence (gov.uk)· 2 pages· 2 pages mention it
    • p. 1 …12-Aug-02 22:00 Hull East Yorkshire One purple and white pulsating jelly fish like object, with smaller light…
    • p. 2 …17-Oct-02 02:54 Hull East Yorkshire Two Police Officers Appeared as the size of a 'normal' bright star…
  • Central Intelligence Agency· 1992-12-01· 5 pages· 3 pages mention it
    • p. 3 …No less than three accelerators of high-velocity electrons will be positioned inside the hull, closer to the envelope. The…
    • p. 4 …Cu-0 type was studied when joined to a hull in which electrodes had been arranged. A pulse (about 7…

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