Joint Strike Missile

Joint Strike Missile. The Joint Strike Missile is a long-range, precision-guided, air-launched cruise missile developed by Kongsberg Defence & Aerospace of Norway. Designed as a stand-off weapon for the Lockheed Martin F-35 Lightning II, it is intended to engage heavily defended land and sea targets. The missile represents a key component of the future strike capabilities for several allied nations, including Norway and Japan.

Development

The program originated from the need for a modern anti-ship and land-attack weapon compatible with the internal weapons bay of the Lockheed Martin F-35 Lightning II. Development was initiated by Kongsberg Defence & Aerospace in the late 2000s, building upon the company's experience with the Naval Strike Missile. A key partnership was formed with the United States Department of Defense and Lockheed Martin to ensure full integration with the F-35 Lightning II's systems. The missile successfully completed a series of critical design reviews and test flights, including launches from a Royal Norwegian Air Force F-16 Fighting Falcon as a surrogate platform. In 2018, the Japan Air Self-Defense Force selected the missile for its own fleet of F-35A Lightning II aircraft, providing a significant international endorsement.

Design

The missile features a low-observable design with shaping and materials to reduce its radar cross-section, enhancing survivability in contested airspace. Propulsion is provided by a Turbofan engine, enabling a high subsonic speed and a range in excess of 555 kilometers. Its advanced guidance system combines an Inertial navigation system with GPS, a Terrain-following radar for nap-of-the-earth flight, and a terminal seeker using Imaging infrared for precise target identification and impact point selection. The warhead is a multi-stage, programmable penetrator effective against hardened structures and naval vessels. Its dual-mode capability allows it to engage both moving maritime targets, such as ships in the Baltic Sea or South China Sea, and fixed land targets with high accuracy.

Operational history

The missile achieved initial operational capability with the Royal Norwegian Air Force in 2021, following integration testing on the F-35A Lightning II. Initial deployment is centered on Norway's fleet of F-35s based at Ørland Main Air Station. The Japan Air Self-Defense Force began receiving deliveries for its F-35A Lightning II fleet in 2023, with integration and operational testing ongoing. The weapon system has been highlighted in several major military exercises, including Cold Response in Norway, demonstrating its capabilities in Arctic conditions. Future plans include further integration efforts for other F-35 Lightning II variants and potential adoption by other allied nations within NATO and the Pacific region.

Operators

* – The Royal Norwegian Air Force operates the missile integrated on its F-35A Lightning II aircraft. * – The Japan Air Self-Defense Force has procured the missile for its fleet of F-35A Lightning II fighters.

Specifications

The missile has a length of 4.0 meters, a body diameter of 0.5 meters, and a launch weight of approximately 416 kilograms. It is powered by a Turbofan engine, achieving high subsonic speeds. The operational range is officially stated as greater than 555 kilometers. Guidance is provided by a multi-sensor suite: an Inertial navigation system with GPS updates for mid-course navigation, a Terrain-following radar for low-altitude penetration, and an Imaging infrared seeker for terminal homing. The primary launch platform is the internal weapons bay of the Lockheed Martin F-35 Lightning II, though it retains compatibility with other aircraft like the F-16 Fighting Falcon.

Category:Air-to-surface missiles of Norway Category:Cruise missiles