Out of the FogA trace of the unsolved mystery seems to follow all ship sinkings through history. This interest is especially keen in the case of the collision between Stockholm and Andrea Doria, two passenger liners that collided at the edge of the fogbank in 1956, even though both were equipped with radar and officers on both ships were aware of the presence of the other. Stockholm was badly damaged but able to return to New York under its own power. Andrea Doria