Japan\’s Ministry of Defense reported that on Sunday, an unidentified submarine cruising in the vicinity of Japan\’s territorial waters, according to broadcaster NHK.
Japanese maritime patrol aircraft defense forces discovered a submarine submerged near the island Kumedzima in Okinawa in the East China Sea.
The submarine left the area by Monday morning Japan time, following in the direction of the Pacific Ocean. The Ministry of Defence is trying to determine which country owns the submarine, and the details of her itinerary.
The Office also reported that on May 2 other unidentified submarine was found to the west of the island Amamiosima (Kagoshima Prefecture).