Japan's strategic narrative responds to two historic pressures: repeated conflict with Russia in Asia and the American forced opening associated with Commodore Perry. The history contains more nuance, but this was the threat framework shaping naval discussion. The resulting concept focuses on dominating Japan's part of the Pacific rather than sustaining a global maritime system. In 1942 the Indian Ocean raid damages British forces and pushes the Eastern Fleet onto the defensive, making the operation a strategic success in that limited sense. Japan has no developed plan to exploit its access to the Indian Ocean because its operational thinking had not extended that far.
Notable Point · 1:05:26-1:08:34
Japan's Pacific threat narrative limits Indian Ocean strategy
Japan's memory of Russia and Commodore Perry concentrates planning on the Pacific, helping explain why the 1942 Indian Ocean raid had little operational follow-through.