Japan Considers Demining Operations in the Strait of Hormuz Following Ceasefire

Investing.com - Japan may consider deploying its Self-Defense Forces to conduct mine-clearing operations in the Strait of Hormuz, provided that a ceasefire is reached in the ongoing conflict between the United States, Israel, and Iran.

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Foreign Minister Motegi Toshimitsu said on Sunday that, although this remains hypothetical, clearing mines would be a key prerequisite for restoring navigation through the waterway.

The Strait of Hormuz remains a major route for about 20% of global oil shipments, and its long-term closure has forced Tokyo and other major economies to tap into strategic oil reserves to ease soaring energy costs.

A Balance of Constitution and Strategy

Any military deployment will test the limits of Japan’s postwar pacifist constitution and the 2015 security legislation governing overseas actions. Under current laws, the Self-Defense Forces can only operate abroad if an attack on close security partners threatens Japan’s survival and no other alternatives exist.

Reports indicate that Prime Minister Suga Yoshihide recently explained these legal restrictions to U.S. President Donald Trump at a summit in Washington, while the White House continues to urge allies to “strengthen” naval forces to ensure the security of regional maritime routes.

Although discussions have taken place with Iranian officials regarding the potential safe passage of Japanese vessels, Tokyo has stated that there are no plans for a separate transit arrangement.

Instead, the Japanese government is prioritizing creating conditions that allow for general navigation. For Japan, the risk is particularly high; approximately 90% of its crude oil imports depend on the Strait of Hormuz, making the current maritime blockade a direct threat to industrial stability and inflation prospects in 2026.

Market Impact of Easing Maritime Tensions

The prospect of Japan participating in clearing the strait indicates a shift toward long-term stability, although it still depends on the cessation of hostilities. Markets have been highly sensitive to the direct link between diplomatic negotiations and actual transit risks.

Successful mine-clearing operations would not only alleviate immediate supply shocks but also reduce the massive insurance premiums currently burdening the global tanker fleet.

The transition from active conflict to an orderly reopening of the strait will be a decisive factor for global energy benchmarks in the coming months.

As long as the waterway remains contested, reliance on emergency reserves will continue as a temporary buffer against more severe disruptions in the global “just-in-time” energy supply chain.

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