Japan Deploys New Type 25 Long-Range Anti-Ship Missiles Extending Strike Reach Beyond 1,000 km.

Japan has deployed its first domestically developed long-range standoff missiles across key bases. The move operationalizes Tokyo’s counterstrike doctrine and extends its reach against regional threats.

The Japan Ground Self-Defense Force has begun fielding the upgraded Type 12, now redesignated Type 25 Surface to Ship Missile, alongside the Type 25 Hyper Velocity Gliding Projectile. These systems are being deployed across the Nansei island chain and other strategic locations, forming the backbone of Japan’s emerging stand-off defense network. The missiles significantly extend engagement ranges beyond 1,000 km in some configurations, enabling Japan to hold adversary naval and land targets at risk from outside contested zones.

Read Also: Japan Deploys First Upgraded Type 12 Long-Range Anti-Ship Missiles Near East China Sea

Japan deploys Type 25 missiles and HVGP systems, activating long-range counterstrike capability. (Picture source: Japan MoD)

The systems are positioned at Camp Kengun in Kumamoto Prefecture and Camp Fuji in Shizuoka Prefecture, placing them within reach of critical maritime and strategic zones. This deployment reflects a clear evolution in Japan’s defense posture, moving beyond a strictly reactive framework toward the ability to engage hostile forces at extended distances before they approach national territory.

According to the Japan Ground Self-Defense Force statement released on March 31, 2026, both systems have completed development and were formally inducted into operational units under their new Type 25 designation. The upgraded Type 12 missile has been renamed the Type 25 Surface to Ship Missile, while the Hyper Velocity Gliding Projectile has been designated the Type 25 HVGP, confirming their transition from research programs to frontline capabilities.

The Type 25 Surface to Ship Missile builds on the earlier Type 12 Surface to Ship Missile (12SSM), originally introduced as a coastal defense system with a range of approximately 200 km. The upgraded version extends this reach to around 1,000 km, allowing Japanese ground forces to cover large portions of the East China Sea and maritime approaches near Taiwan. This extended range transforms the system from a point defense asset into a long-range precision strike capability capable of targeting both naval formations and selected land-based objectives.

The missile incorporates a redesigned airframe with reduced radar signature, improving survivability against modern air defense systems. Propulsion relies on a compact turbofan engine optimized for sustained low altitude cruise, enabling long endurance flights while minimizing detection. Guidance combines inertial navigation systems and satellite positioning with terrain referencing and terminal radar imaging, allowing accurate engagement of moving maritime targets. In addition, the missile can receive mid-course updates through network-enabled data links, integrating inputs from maritime patrol aircraft, coastal radar stations, or other surveillance assets.

The system is mounted on a high mobility transporter erector launcher installed on an 8x8 wheeled chassis. Each launcher carries eight missile canisters and can conduct rapid salvo launches before relocating. This mobility is central to the operational concept, as units can disperse across coastal areas or island positions, fire, and reposition quickly to reduce exposure to counterstrikes.

Alongside this cruise missile capability, the Type 25 Hyper Velocity Gliding Projectile introduces a different operational profile. This system is launched using a rocket booster before entering a high speed glide phase at elevated altitude. It can travel several hundred kilometers at supersonic speeds while performing irregular maneuvers during its descent, complicating interception by conventional missile defense systems. Its flight profile makes it particularly suited for engaging high value or time sensitive targets such as amphibious assault groups, command nodes, or hardened infrastructure.

The introduction of these two systems forms the backbone of Japan’s emerging counterstrike capability, formalized in its 2022 National Security Strategy. This concept allows Japan to strike enemy bases or launch assets if an attack is imminent or underway, under strict constitutional conditions. Defense officials have framed this capability as necessary in response to a rapidly evolving regional security environment.

Chinese military activity in the East China Sea and around Taiwan has intensified, with frequent naval and air operations extending deeper into the Pacific. At the same time, North Korea continues to advance its ballistic missile and nuclear programs. Within this context, the ability to hold adversary assets at risk from Japanese territory is seen as a key element of deterrence.

The deployment supports a distributed defense architecture across the Nansei island chain. Mobile missile units positioned on southwestern islands can monitor and engage targets across critical sea lines of communication, contributing to anti access and area denial operations. When integrated with airborne early warning aircraft, maritime patrol assets, and coastal surveillance systems, these missiles extend the reach of ground forces into the maritime domain.

Moreover, Japan is already planning to expand this capability. The Ministry of Defense intends to extend the range of the HVGP toward 2,000 km in future iterations. Ship launched and air launched variants of the Type 25 missile are expected to enter service by fiscal year 2027, enabling deployment aboard Japan Maritime Self Defense Force destroyers and integration with Japan Air Self Defense Force aircraft. Parallel acquisitions, including Tomahawk cruise missiles and the Joint Strike Missile for F 35 fighters, will complement this architecture.

The deployment also raises domestic considerations, particularly regarding the exposure of hosting bases to potential retaliation. Local concerns have emerged in areas such as Kumamoto, where residents have questioned the lack of broader public consultation. At the same time, logistical challenges remain, including the construction of ammunition storage facilities, training infrastructure, and secure command and control networks required for sustained operations.

Taken together, the fielding of the Type 25 missile systems illustrates a structural transformation of Japan’s defense policy. By combining extended range precision strike capabilities with mobile and distributed deployment concepts, Japan is reshaping its deterrence posture across the Indo Pacific and reinforcing its ability to respond to high-intensity contingencies in its immediate strategic environment.