ASELSAN:
Lockheed Martin:
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BAE Systems:
Thales:
Leonardo:
Saab:
Kongsberg Gruppen:
Indra Sistemas:
Mitsubishi Heavy Ind.:
Hanwha Aerospace:
AVIC Shenyang Aircraft:
Hindustan Aeronautics:
KEY INTELLIGENCE TAKEAWAYS & SUMMARY
- Serbia has published test footage of the TSMB M-25 heavy self-propelled mortar system, capable of firing 203mm caliber ammunition weighing approximately 100 kg.
- The system features a 24-caliber barrel length derived from the former Yugoslav M-65 howitzer and is equipped with an automatic ammunition loading mechanism.
- Built on a six-wheeled FAP 2026 6x6 tactical truck, the platform is optimized for high road speed and 'hit-and-run' tactics.
- Ammunition options include high-explosive projectiles and concrete-piercing warheads designed for fortifications.
Serbia's New Artillery Monster: TSMB M-25
Serbia's defense industry has unveiled an unusual configuration that could revolutionize land warfare doctrines. Developed by the Military Technical Institute and first introduced to the public at the Partner 2025 fair in Belgrade, the Teški Samohodni Minobacač (TSMB) M-25 heavy self-propelled mortar system has drawn attention with its performance in firing tests. Footage shared by the Serbian Ministry of Defence clearly demonstrated how a massive artillery firepower was organized on a relatively lightweight platform.
Technical Capacity and Field Balances
The most striking aspect of the system is its combination of immense firepower with a compact wheeled chassis. Tracing its design roots back to the Yugoslav M-65 155mm howitzer—itself a licensed derivative of the World War II-era American M114 howitzer—the M-25 takes this legacy to a completely different dimension. Featuring a 203mm barrel with a length of 24 calibers, the system is equipped with an automation-supported ammunition loading mechanism. While the barrel elevation ranges between 0 and 75 degrees, the barrel must be returned to the zero position after each shot to allow the next round to be rammed from the muzzle.
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