The Cursus Publicus — Intelligence from the Global Frontier

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No. II · Thursday, 2 July 2026
Illicit Trade & Economic SecurityJapanChinaRussia

Russia and China intensify naval activity around Japan

What? Japan's defense establishment has tracked an expanding pattern of Russian and Chinese naval activity in waters around Japan this week, including a large multi-fleet Russian exercise spanning the Northern Hemisphere and northward-transiting Chinese warships, as the two navies deepen joint patrols challenging the first island chain.
So what? A sustained increase in great-power naval presence near a key allied trade corridor adds friction risk to some of the busiest container lanes overseas port-security officers rely on for pre-loading targeting data, and any at-sea incident could disrupt scheduling at the ports that feed those lanes.
Confirmed · Sources: Stars and Stripes · Newsweek (July 2, 2026)