UFO sighting of a spherical shaped UFO over the city Yokosuka, Kanagawa in Japan. We don't have any other additional information concerning this sighting that occurred on February 23 2012. We can see the unidentified flying object going around the sky while spinning on its own. This particular UFO is similar to the The world's first spherical flying machine that was developed and presented by the Japan's Ministry of Defense in October 2011 News 86 Japan shows first flying sphere comparable to miniature UF