USO Unidentified Submerged Objects these UFO,s seem to be coming form the sea or they have the ability to hide in the sea.. Not of this world day light video .\rbr\rbrAn unidentified flying object, or UFO, in its most general definition, is any apparent anomaly in the sky that is not identifiable as a known object or phenomenon.\rbr\rbrUnidentified Submerged Object: the Underwater UFO at Shag Harbour and in The Baltic Sea (Anomaly) USO simply means unidentified submerged object.\rbr\rbrUFO Sightings Sea Monsters Enhanced Footage and Analyses! Updated Footage from South Africa and UFOs Over the California Coast! Amazing Footage you .