Third Blue Book unknown over Tokyo during the great wave (1952)

Project Blue Book Case #1889. On August 13, 1952, an unidentified object was observed over Tokyo — the third Blue Book unknown from the world's largest city (joining Cases #1340 and #1841). Three cases in under two months demonstrated that the 1952 wave was as intense in the Pacific theater as in the continental United States. The case was classified "Unknown."