US Delays Tomahawk Missile Deliveries to Japan Amid Strategic Rebalancing

The United States has informed Japan of significant delays in delivering 400 Tomahawk cruise missiles, a decision that has sparked concerns among regional allies, and experts. The delay, attributed to the Pentagon’s need to replenish missile stockpiles depleted during military operations against Iran, marks a shift in US defense priorities and raises questions about the reliability of US commitments to Asia.

The Delay and Its Context

The delay was disclosed during a phone call between US Defense Secretary Pete Hegseth and Japanese counterpart Shinjiro Koizumi, according to multiple sources familiar with the discussions. Japan, which ordered the missiles in 2024 to bolster its deterrence against China, now faces a potential two-year setback in receiving the first two batches of 200 missiles each by April 2028.

The $2.35 billion deal followed Washington’s urging of Japan to increase defense spending. The Tomahawks, with a range of 1,600 kilometers, are critical to Japan’s “counterstrike” capability, enabling it to target coastal Chinese military installations. However, the Pentagon’s focus on rebuilding inventory after extensive use during the five-week Operation Epic Fury against Iran has disrupted the delivery schedule.

Implications for Regional Security

The delay has intensified concerns among US allies in the Indo-Pacific, particularly as the Pentagon reallocates weapons from Asia to the Middle East. Zack Cooper, an Asia security expert at the American Enterprise Institute, criticized the shift, stating, “Despite repeated promises from top administration officials that they would prioritize Asia, the Pentagon is now giving precedence to the Middle East.”

Experts warn that the prolonged timelines for munitions production will leave Asian allies vulnerable. Yuki Tatsumi, a Japanese defense expert at the Institute for Indo-Pacific Security, noted that Japan’s national security strategy hinges on timely delivery of the missiles. “The current plan has been built on the assumption that Japan receives this delivery on time,” she said. “A delay will complicate efforts to enhance deterrence.”

Japan’s Response and Domestic Production Efforts

Kenji Minemura, an Asia defense expert at The Canon Institute for Global Studies, emphasized the strategic importance of Tomahawks for Japan. “Tokyo has almost no equivalent for China’s 2,000-plus long-range missiles that can hit targets in Japan,” he said. “A delay in US deliveries will almost inevitably erode the joint US-Japan deterrent against China.”

In response, Japan is accelerating the development of domestic missile systems, including the extended-range Type 12 and Hyper Velocity Gliding Projectile. The move reflects broader concerns about the US military’s capacity to support Taiwan in a potential conflict with China, given the diversion of interceptor missiles for the US-supplied THAAD system in South Korea.

Broader Strategic Concerns

The Pentagon has not commented on the delays, while Japan’s embassy in the US declined to address specifics of the discussions. However, the situation underscores tensions between US strategic priorities and the expectations of its Asian allies. The delays could exacerbate the “missile gap” between Japan and China, forcing Tokyo to rely more heavily on indigenous capabilities.

As the US military grapples with the aftermath of its Iran campaign, the Tomahawk delays highlight the challenges of balancing global commitments. For Japan, the setback underscores the fragility of its defense partnerships and the urgent need to diversify its security strategies.