Peter Brown wrote in to let me know about a new article of his in the Asia Times. The article, on Non-Acoustic Anti-Submarine Warfare (NAASW), discusses how space-based sensors are in development by both the United States and Japan to conduct broad area surveillance over the oceans to detect submarines. Some very interesting stuff. Japan’s share of the work is being done under the auspices of JAXA, the Japan Aerospace Exploration Agency.

I’ve wondered if the U.S. and its allies would deploy a modern version of the SOSUS acoustic network to track Chinese submarines. Perhaps a 21st century equivalent would be based in space.

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A contributor and editor at the blog War Is Boring, Kyle Mizokami started Japan Security Watch in 2010 to further understand Japan's defenses and security policy.
Kyle Mizokami has 596 post(s) on Japan Security Watch