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You are at :Home»News»Finland Procures ESSM for Finnish Navy Pohjanmaa-class Corvettes
Finland Procures ESSM for Finnish Navy Pohjanmaa-class Corvettes 1
Artist impression of the future Pohjanmaa-class-corvette.

Finland Procures ESSM for Finnish Navy Pohjanmaa-class Corvettes

Finnish Minister of Defence Jussi Niinistö authorised, on 21 February 2019, the country's Defence Forces Logistics Command to procure Raytheon's Evolved SeaSparrow Missiles (ESSM) as part of the surface-to-air missile system (ITO20) for the Pohjanmaa-class corvettes of the Squadron 2020 project.

Xavier Vavasseur 21 Feb 2019

The ITO20 system will consist of Evolved SeaSparrow Missiles (ESSM), launcher units, spare parts, required supplementary parts, and the related software package.

The ITO20 system will be installed in all four Pohjanmaa-class vessels. The number of missiles to be procured is not public information. The entire system will cost EUR 83 million, without value added tax, and it will be procured from the United States defence administration through a government-to-government agreement.

ESSM is a medium-range, all-weather, semi-active radar-guided missile used in surface-to-air and surface-to-surface roles. ESSM represents more than four decades of technology and design improvements by a 43-year international cooperative partnership composed of 12 nations, 10 of which employ ESSM (and FMS to 3 countries: Japan, UAE and Thailand).

As a tail-controlled missile, ESSM uses enhancements to its guidance system to take advantage of improved seeker sensitivity, increased propulsion and greater weapon accuracy. These features enable ESSM to arrive at the intercept point with more endgame speed and agility to counter the threat.

ESSM’s capability bridges the gap between close-in air defense and local area defense systems. Its kinematics result in reduced time to target. It is a Multi-mission weapon system is effective against high-speed or low-velocity threats.

According to open sources, the RIM-162 Evolved SeaSparrow Missile (ESSM) has a range of about 27 nautical miles (50 Km) and a top speed of Mach 4+.

Unlike Block 1, Block 2’s active radar homing seeker will support terminal engagement without the launch ship’s target illumination radars. The improved ESSM Block 2 will be fielded by the US Navy from 2020.

The ITO20 system is an integral part of the combat system in the corvettes; surface-to-air missiles protect the vessels’ own operations and make it possible to protect other sites or operation of troops. The ITO20 system improves the Finnish Navy’s capability to participate more effectively in national air defence and protect important sites. IAI Gabriel anti-ship missile system and Saab Torpedo 47 weapon system have already been procured for the corvettes. 

Finland Procures ESSM for Finnish Navy Pohjanmaa-class Corvettes 2
Raytheon’s ESSM Block 2 during test. File picture: US Navy

Together with the existing four Hamina-class missile boats, the four new corvettes will form the backbone of the Finnish Navy from the mid-2020s onwards by replacing seven older vessels that have been or are due to be decommissioned: the minelayer Pohjanmaa, two Hämeenmaa-class minelayers and four Rauma-class missile boats. The Pohjanmaa-class corvettes will be constructed in Finland for reasons of security of supply. The combat system, in other words the weapons and sensors, will be procured from overseas through a separate tendering process. 

There are on-going negotiations on contracts for the Pohjanmaa-class shipbuilding and combat systems. The process of completing an extensive contract with a number of parties has required special diligence and has therefore also taken more time than expected.

Finland Finnish Navy SeaSparrow Squadron 2020 2019-02-21
Xavier Vavasseur
Tags Finland Finnish Navy SeaSparrow Squadron 2020
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Authors

Posted by : Xavier Vavasseur
Xavier is based in Paris, France. He holds a Bachelor’s degree in Management Information Systems and a Master of Business Administration from Florida Institute of Technology (FIT). Xavier has been covering naval defense topics for nearly a decade.

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