Finnish Defence Forces to Acquire Patria's New TREMOS 120mm Self-Propelled Mortar System.

The Finnish Defence Forces (FDF) have announced the acquisition of a new, modular 120mm mortar system from Finnish defense manufacturer Patria. A pre-series version is slated for delivery to the Finnish Army in 2025. This advanced weapon, known as the Patria TREMOS, was unveiled by Patria at the Future Mortar Systems conference in London on October 29, 2024, marking a significant step forward in mobile, heavy-mortar technology for Finland’s defense capabilities.
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The Patria TREMOS is a cutting-edge 120mm modular mortar system developed by Finnish defense company Patria. (Picture source: Patria)

The TREMOS system integrates traditional 120mm heavy mortar firepower within a modular, adaptable carriage that can be mounted on a range of military trucks, greatly enhancing the mobility and operational versatility of traditional mortars. Unlike previous mortar systems, TREMOS allows for the use of both legacy and new 120mm mortars, combining the capabilities of traditional weaponry with modern modular technology. It is designed to work seamlessly with existing fire management systems and has the flexibility to be mounted on various vehicles through its integration module, making it a scalable solution for diverse operational needs.

"Patria has enhanced the mobility of heavy mortars in excellent collaboration with the Finnish Army and the Finnish Defence Forces Logistics Command, creating a new weapon system," said Jussi Järvinen, Patria’s Executive Vice President for the Finland Division. He highlighted the significant testing already completed and pointed to Patria’s legacy of innovative mortar systems, such as the renowned AMOS (Advanced Mortar System) and NEMO (New Mortar) turrets, as foundational to the TREMOS development.

The FDF's (Finnish Defence Forces) designation for this next-generation mortar project is the 120 KRH M3, aligning with Finland's defense modernization plans that prioritize rapid mobility, interoperability, and enhanced artillery response times. The TREMOS system is designed for quick deployment, leveraging Patria's extensive experience in crafting effective, mobile weapon platforms and answering the growing need for rapid response and adaptable firepower in diverse operational theaters.

This acquisition of the TREMOS 120mm self-propelled mortar system represents Finland’s continued commitment to bolstering its defense posture through cutting-edge technology. The system's modularity and compatibility with existing Finnish heavy mortar stock will streamline integration, potentially expediting future scalability and upgrades to the system.