Kitamura Shigeru, the former head of the Japanese National Security Secretariat, called for stronger U.S.-Japan cooperation on deterrence to maintain stability in the Taiwan Strait [1].

This call for enhanced security measures comes as regional tensions persist, making the strategic partnership between Tokyo and Washington critical for preventing conflict in East Asia.

Kitamura emphasized that the stability of the Taiwan Strait is essential for the broader security architecture of the region [1]. He said that strengthening the deterrence capabilities of the U.S. and Japan is the most effective way to preserve peace and prevent unilateral changes to the status quo [2].

The former security chief highlighted the need for a cohesive strategy to discourage aggression. By aligning military and diplomatic efforts, Kitamura said the two nations can create a more robust shield against instability in the strait [1].

Japan has increasingly viewed the security of Taiwan as inextricably linked to its own national security. This perspective has led to a gradual shift in how the country approaches its defense posture and its alliance with the U.S. [2].

Kitamura's remarks reflect a broader trend within Japanese security circles to prioritize proactive deterrence. He said that the current geopolitical climate requires a high level of readiness and coordination to ensure that regional peace is not compromised [1].

The focus on deterrence involves not only military hardware but also the clear communication of resolve between allies. Kitamura said that the visible commitment of the U.S. and Japan serves as a primary stabilizer in the region [2].

Stronger U.S.-Japan cooperation on deterrence to maintain stability in the Taiwan Strait.

The advocacy by a former top security official suggests that Japan is continuing to move away from its traditional passive defense posture. By publicly calling for stronger deterrence, Japan signals to both the U.S. and regional adversaries that it views the Taiwan Strait as a critical security interest, potentially leading to increased joint military exercises and shared intelligence operations in the area.