Defense Minister Nobuo Kishi on Friday expressed a sense of vigilance against a possible naval drill by Russia off Japan's Pacific coast, amid mounting tensions between the two nations over Russia's invasion of Ukraine.Kishi told a press conference that the Defense Ministry confirmed that five Russian ships had been "active" east of the main island of Hokkaido on Thursday, apparently as part of a large-scale military exercise that Russia had said would start on June 3 with over 40 vessels and some 20 aircraft joining on the Pacific."We need to closely monitor if (Russian forces) would condu…READ FULL ARTICLE