The East China Sea rarely rests. Typhoons churn its waters, but lately, the fiercest movements are not natural -- they are of steel ships.Chinese coast guard vessels have become a near-permanent fixture near the Senkaku Islands, a group of uninhabited islets administered by Japan but claimed by China as Diaoyu.For 286 consecutive days -- through storms and squalls -- the ships have patrolled the fringes of Japanese territorial waters in an unmistakable show of force.For Okinawa's fishermen, their constant presence means altered fishing areas and growing unease, while for Japan's coast guard…READ FULL ARTICLE