The so-called "Baltic UFO" originally began last February as an unusual sonar image from the floor of the Baltic Sea. The large object was found by a deep-sea salvage company, and the images they released looked uncannily like the Millennium Falcon.
This expedition has returned to the Baltic Sea with a dive team, and so far everything they have found only deepens the mystery further. The dive teams first reported that the shape is not a flat disc, as it appears on the initial image. Instead, it is more of a mushroom shape with an egg-shaped hole in the center. It is about 10-15 feet high, and about 200 feet in diameter.