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“Exercise Mainbrace”

Stories3

Little Rissington UFO Incident
October 21, 1952 · RAF Little Rissington, Gloucestershire
United Kingdom
UAP · Disc / saucer · 17 sources
46Partially documented
The RAF Topcliffe "Perfect Flying Saucer" During Exercise Mainbrace
September 19, 1952 · RAF Topcliffe, near Thirsk, North Yorkshire (approach to RAF Dishforth)
United Kingdom
UAP · Disc / saucer · 20 sources
33Partially documented
The RAF Tangmere Meteor Flying Saucer and the Wartling Radar Return
June 1, 1950 · Portsmouth area, Hampshire (pilot from RAF Tangmere, radar at RAF Wartling)
United Kingdom
UAP · Disc / saucer · 8 sources
42Partially documented

Names3

Documents2

  • The UFO files extract Document
    The National Archives· 22 pages· 2 pages mention it
    • p. 11 …of sightings occurred during a major NATO exercise in Europe, Operation Mainbrace.The most dramatic was reported by a group…
    • p. 14 …35,000 feet whilst on a high level navigation exercise.’ The document adds that air traffic control later reported radar…
  • FBI file: UFO, UFO Part 12 FOIA release
    Federal Bureau of Investigation· 142 pages· 1 page mentions it
    • p. 12 …20, 1952 -During exercise "Mainbrace" RAF pilots sighted a white object at 11,000 feet. The object was silver in…

Videos4

Video1952
UFOs / USOs - Operation Mainbrace - 1952
From The RAF Topcliffe "Perfect Flying Saucer" During Exercise Mainbrace
Video1952
Inside Project Blue Book: Operation Mainbrace (Season 2) | History
From The RAF Topcliffe "Perfect Flying Saucer" During Exercise Mainbrace
Video1952
1952 #UFOB [CASE] Mainbrace, RAF Topcliffe sighting.
From The RAF Topcliffe "Perfect Flying Saucer" During Exercise Mainbrace
Video1952
Declassified Navy UFO Cases: From 1952 Mainbrace to the Pebble Beach Underwater Dome Incident
From The RAF Topcliffe "Perfect Flying Saucer" During Exercise Mainbrace