1980 · Muddus National Park, near Jokkmokk, Sweden
Muddus: a 'rocket' lands in a forest lake
From the accounts: Bo Berg and his wife watched a finned tubular object make a controlled U-turn and sink in a forest lake in Muddus National Park, 31 July 1980. · Illustration for uaptrail.com
When31 July 1980
WhereMuddus National Park, near Jokkmokk, Sweden
Backing1 independent
Evidenceofficial records
On 31 July 1980 Bo Berg, later head of Sweden's War Archives, and his wife watched a tubular object three or four metres long with fins make a controlled U-turn and land in a forest lake in Muddus National Park, where it sank. The defence research agency took their report but kept the file. A dive expedition searched the lake in 2012.
Evidence, in date order (1)
- 31 Jul 1980FOA (Swedish defence research agency)officialmeteorologist Sture Wickerts took the report by phone; the file was kept by FOI and not transferred to the archive
How plausible · High
The later head of Sweden's War Archives and his wife saw a finned object land in a lake; the defence agency took the report and kept the file.
- ●●Access Both watched it at close range.
- ●●No gain sought Nothing sold.
- ●●Restraint He thinks it was a cruise missile.
- ●●Character record Later head of the Swedish War Archives.
- ●●Fits secrecy practice The file stayed with FOI and was not archived.
- ●○Cost of speaking A senior archivist putting his name to it.
Plausibility weighs how well an account fits where secrecy hides the documents by design, so missing records never count against it. Strength measures what is documented. Assessed 2026-10-23.
Claims
A 'raket … tre-fyra meter lång, rörformad men med någon sorts styrtuber på sidorna' made a neat U-turn and 'under kontrollerade former landa[de] i sjön', then sank.firsthandSourced, unconfirmedBo Berg (later head of the Swedish War Archives) and Liz Berg
The Swedish military kept the sighting classified for years.secondhandSourced, unconfirmedThe Local (2012)
Where
Muddus National Park, near Jokkmokk, Sweden
60.0°N 15.0°E · region only