Kongsberg Receives Follow-On Contract from Japan for Joint Strike Missile (JSM)

Kongsberg Defence & Aerospace AS has entered into a follow-on contract, valued at 450 MNOK, with Japan for the supply of Joint Strike Missile (JSM), the company announced.

The missiles are for the fleet of F-35 Lightning II stealth fighter aircraft operated by the Japan Self-Defense Forces (JSDF). The first contract was signed earlier this year.

Joint Strike Missile (JSM) is a multi-role air-launched variant of Kongsberg’s Naval Strike Missile (NSM). JSM is a 5th generation stealth air-to-surface missile that is designed specifically to fit in the internal weapons bay of the F-35A aircraft thus ensuring the aircraft’s low-signature capabilities. The F-35 would be able to carry two JSM missiles in its internal bays, while additional missiles could be carried externally.

The JSM has superior performance against well-defended sea- and land targets across long distances.

“The international F-35 user community is showing great interest in the JSM. KONGSBERG is very proud to have been selected by Japan to provide the JSM for their F-35 fleet. Our relationship is growing even stronger with this follow-on contract”, says Eirik Lie, President, Kongsberg Defence & Aerospace AS.

The JSM development started in 2008 and was completed in mid-2018 after a series of successful validation test firings.

According to FlightGlobal, the missile has an estimated range of 150 NM (172 mi; 278 km). The range is dependent on the flight profile and Kongsberg claims that the range is over 100 NM in low-low-low profile and over 300 NM in hi-hi-low flight profiles.

The achievement of initial operational capability (IOC) is expected in 2021 with the release of the F-35’s Block 4 software and the missile is expected to become fully operational in 2025.

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