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Japan Considers Military Deployment for Minesweeping in Strait of Hormuz

3/22/2026, 8:28:48 AM

Potential Military Action Dependent on Ceasefire

Japan's Foreign Minister Toshimitsu Motegi has indicated that the country may contemplate deploying its Self-Defense Forces (SDF) for minesweeping operations in the Strait of Hormuz, contingent upon the establishment of a ceasefire in the ongoing conflict involving Iran, the United States, and Israel. During a television program, Motegi stated, "If there were to be a complete ceasefire, hypothetically speaking, then things like minesweeping could come up." He emphasized that this consideration is purely hypothetical and would only arise if naval mines obstruct navigation in the strait, a crucial passageway for global oil shipments.

Context of the Conflict

The conflict has escalated significantly since February 28, when U.S. and Israeli forces initiated air strikes on Iran. This military action has led to heightened tensions in the region, with Iran reportedly closing the Strait of Hormuz, through which approximately 90% of Japan's crude oil imports transit. The closure has contributed to a spike in global oil prices, prompting Japan and other nations to release oil from their reserves to mitigate the impact.

Japan's Legal Constraints and International Relations

Japan's military activities are constrained by its postwar pacifist constitution; however, a 2015 security law permits the SDF to operate overseas under specific conditions, such as when an attack threatens Japan's survival. Motegi noted that Japan currently has no immediate plans to facilitate the passage of Japanese vessels through the strait but acknowledged the importance of ensuring safe navigation for all ships.

During a recent summit in Washington, U.S. President Donald Trump urged Japanese Prime Minister Sanae Takaichi to enhance Japan's support in the region. Takaichi informed Trump about the limitations imposed by Japan's laws regarding military deployment, with Motegi confirming that no specific commitments were made during these discussions.

Criticism and Opposition

While the potential deployment of Japanese forces for minesweeping operations may be seen as a proactive measure to ensure maritime security, critics may argue that such actions could escalate Japan's involvement in foreign conflicts, challenging its pacifist stance. The implications of military engagement in the Strait of Hormuz could also raise concerns about regional stability and Japan's diplomatic relations with Iran.

Official Statements & Responses

Motegi reiterated Japan's reliance on the Strait of Hormuz for its oil supplies, stating, "This is extremely important to create conditions that allow all ships to navigate through the narrow waterway." Iranian Foreign Minister Abbas Araqchi has also expressed willingness to discuss the passage of Japanese-related vessels through the strait, indicating a potential avenue for diplomatic engagement.

What's Next

As the situation evolves, Japan's decision regarding military deployment will depend on the developments in the ceasefire negotiations and the broader geopolitical landscape in the Middle East. The international community will be closely monitoring Japan's actions and their implications for regional security and energy supplies.