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Status

Probably explained1
Explained1
Conclusion not available3

Source

GEIPAN (CNES)2
Project Blue Book (NARA)3

Country

United States8,297
France3,369
United Kingdom2,761
At sea / unknown1,260
Italy456
Canada137
Japan116
Germany57
South Korea29
Mexico28
Greenland21
Morocco19

Explanation

Balloons1
Optical phenomena1

5 results

ExplainedOctober 15, 2021
Veytaux
Switzerland
→ Optical phenomena
GEIPAN (CNES)
Probably explainedJanuary 1, 2009
Montreux
Switzerland
→ Balloons
GEIPAN (CNES)
Conclusion not availableAugust 1963
St Gallen
Switzerland
Project Blue Book (NARA)
Conclusion not availableJuly 1959
Switzerland
Project Blue Book (NARA)
Conclusion not availableSeptember 1953
Switzerland
Project Blue Book (NARA)

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