Japan Develops Advanced Long-Range Anti-Ship Missile

Japan has unveiled a new long-range anti-ship missile, provisionally named the "New SSM," designed to enhance its naval defense capabilities amid rising regional tensions, particularly with China and North Korea. The missile features advanced technology, including the ability to execute barrel rolls, which increases its maneuverability and makes it more difficult for naval defenses to intercept. This development is part of Japan's broader strategy to bolster its military capabilities in response to perceived threats in the region.

Newsweek

The New SSM is engineered to operate effectively in modern air-defense environments. It incorporates high-maneuverability technology that allows it to penetrate sophisticated enemy air-defense systems, including close-in weapon systems (CIWS) and surface-to-air missiles. The missile's design includes larger wings and reduced wing loading to enhance turning performance, particularly during low-altitude flight, where shipboard defenses are most effective. Additionally, the missile's airframe features curved intake ducts and a smooth fuselage to minimize its radar cross-section, making it less detectable.

Newsweek

The guidance system of the New SSM combines multiple sensors with terrain-referencing methods, enabling stable flight close to the water and allowing it to distinguish targets against complex backgrounds. This capability is crucial for operations in contested maritime environments.

Newsweek

Japan's missile development occurs against a backdrop of heightened tensions with China, particularly following remarks by Prime Minister Sanae Takaichi, who indicated that Japan might intervene alongside U.S. forces in the event of a Chinese blockade of Taiwan. This situation is compounded by Japan's ongoing territorial disputes with China in the East China Sea. The Japanese government has also begun deploying anti-air missiles on Yonaguni Island, located approximately 70 miles from Taiwan's eastern coast.

Newsweek

The Japanese Ministry of Defense plans to conduct further testing of the New SSM in fiscal year 2026, which will include enhancements to satellite-linked data-link equipment for two-way communication between guided missiles, a feature described as “advanced network combat.” A second missile launch is scheduled for 2027, indicating Japan's commitment to advancing its military technology.

Newsweek

While Japan's missile advancements are aimed at enhancing national security, some critics argue that such developments could escalate tensions in the region. The focus on military expansion may provoke responses from neighboring countries, particularly China, which views Japan's military enhancements with suspicion.

Newsweek

• “What People Are Saying The War Zone, an outlet that specializes in military analysis, wrote: "The idea of giving an anti-ship cruise missile a very high degree of terminal maneuverability to improve its survivability is not new.” — The War Zone, Military Analysis Outlet

Newsweek

This comprehensive approach to missile development reflects Japan's strategic priorities in a rapidly changing security environment, as it seeks to safeguard its interests in the face of evolving threats.

Newsweek