Japan’s unprecedented project could test the limits of deep-sea mining

The year 2010 was a reckoning for Japan’s economic security. 

On September 7, the Chinese fishing trawler Minjinyu 5179 refused an order by Japan’s coast guard to leave disputed waters near the Senkaku Islands, which are known in China as Diaoyu. The vessel then rammed two patrol boats, escalating a decades-long territorial feud.

Japan responded by arresting the captain, Zhan Qixiong, under domestic law, a move Beijing considered an unacceptable assertion of Japanese sovereignty.