Scandinavian Ghost Rocket wave

Record summary

Beginning in spring 1946, Scandinavia experienced a large number of reports of fast, often cigar- or rocket-shaped objects, especially over Sweden and Finland. Some witnesses described objects entering lakes, while others reported lights or aircraft-like forms. Swedish and Allied authorities investigated because of postwar security concerns and possible Soviet weapons testing. Many reports were attributed to meteors, aircraft, balloons or misidentification, but a subset remained unresolved in official discussions. The incident is an important early postwar wave rather than one single encounter.