Belgium could end a decade without tanks by entering into the European MGCS program.
4 Feb, 2025
Defense News Army 2025
The Arizona agreement, finalized on February 2, 2025, outlines Belgium’s revised defense policy under the newly elected government led by Prime Minister Bart De Wever. While minor modifications may be made, the agreement discusses Belgium's potential participation in the Main Ground Combat System (MGCS), a Franco-German initiative to develop a next-generation main battle tank (MBT) system. This decision aligns with Belgium's broader defense modernization efforts, which involve increased military spending and engagement in European military projects. It also indicates Belgium's renewed interest in acquiring tanks following the retirement of its last Leopard 1s in 2014.
Belgium's potential participation in the MGCS program would require investments in personnel, maintenance infrastructure, and training, as the country retired its last Leopard 1 main battle tanks in 2014. (Picture source: Rheinmetall)
In the early post-World War II period, the Belgian Army operated various tanks, beginning with American M4 Sherman models post-World War II, including the M4A1(76)W HVSS, alongside British models. In the early 1950s, Belgium acquired M46 Patton tanks from the United States, which remained in service until the late 1960s. Between 1968 and 1971, Belgium procured 334 Leopard 1 tanks from Germany, distributing them among eight tank regiments and the Armour School. In the 1980s, 132 units were modernized to the Leopard 1A5(BE) standard, incorporating an improved fire control system and thermal imaging.
The end of the Cold War led to reductions in the tank fleet, with 128 Leopard 1s sold to Brazil and the remainder retired in 2014. At that time, Belgium focused on mobility, flexibility, and rapid deployability for its armed forces, reducing costs. Consequently, Belgium acquired 242 Piranha IIIC 8×8 vehicles between 2008 and 2015, including 18 Piranha IIC DF90 fire support vehicles armed with a 90mm gun. However, the DF90’s inability to fire planned anti-tank rounds limited its role to infantry support with high-explosive ammunition. Additionally, 32 Piranha IIC DF30 vehicles were scheduled for retrofit with two Spike-MR anti-tank guided missiles each. As a result, by 2023, the Belgian Army lacked main battle tanks, self-propelled artillery, and air defense systems, operating a fleet primarily composed of wheeled vehicles, including 38 Pandur II reconnaissance vehicles.
The withdrawal of heavy armor reduced Belgium’s armored capabilities significantly. During the Cold War, Belgium operated various types of armored vehicles, including German Jagdpanzer Kanone tank destroyers, American M113 and M75 armored personnel carriers, French AMX-13 VTT variants, and British Scorpion and Scimitar CVRTs. Belgium's forces in Germany were scaled down over time, with three brigades under British control in 1946 growing to a force of 150,000 personnel by 1952. By 1970, the Belgian presence was reduced to a single corps with two divisions, and by the end of the Cold War in 1990, it had declined to under 25,000 personnel.
In recent years, Belgium has sought to rebuild its army, identifying the absence of heavy armored vehicles, self-propelled artillery, and air defense systems as capability gaps. The country joined the French Scorpion program in 2017, ordering 60 EBRC Jaguar reconnaissance vehicles and 382 VBMR Griffon armored personnel carriers. Belgium also ordered 19 CAESAR II self-propelled howitzers, with delivery expected between 2026 and 2030.
Developed by a consortium comprising France's Nexter and Germany's Krauss-Maffei Wegmann, alongside Rheinmetall, the MGCS will not be a single tank but a "system of systems" integrating crewed and uncrewed vehicles. (Picture source: Hensoldt)
From an industrial standpoint, Belgium's potential entry into MGCS coincides with its defense firms’ expanding role in European defense projects. John Cockerill Defense is in the process of acquiring France’s Arquus to strengthen its position in the medium-armored vehicle sector. Meanwhile, FN Herstal has agreements for ammunition production, including a trilateral initiative with France and the Netherlands. Both companies are also involved in the MARTE program, a European research initiative for future MBT technologies. MARTE, which includes 47 European partners, is expected to support the MGCS by advancing armor protection, automated targeting, and firepower capabilities.
The MGCS project, launched in 2017, is designed to replace the German Leopard 2 and French Leclerc tanks with a more advanced combat system by 2040. Developed by KNDS, a consortium comprising France's Nexter and Germany's Krauss-Maffei Wegmann, alongside Rheinmetall, the MGCS will not be a single tank but a "system of systems" integrating crewed and uncrewed vehicles. Its development focuses on modularity, better firepower, enhanced protection, and AI-driven battlefield management. However, France and Germany have disagreed on key technical aspects, such as gun caliber, with France advocating for a 140mm system and Germany supporting a 130mm alternative. Industrial competition has contributed to delays, but both governments remain committed to advancing the program as a critical component of European armored forces.
As MGCS progresses, discussions about potential new partners, including Italy and Spain, have emerged. While France and Germany remain the primary stakeholders, expanding participation could introduce additional expertise and funding. However, integrating new members requires industrial and political negotiations, as France and Germany have historically maintained control over their defense projects.
Therefore, Belgium's potential participation in the MGCS program would require investments in personnel, maintenance infrastructure, and training, alongside negotiations on technology transfer and industrial benefits. For the Belgian Army, joining the MGCS could indicate a long-term commitment to restoring armored capabilities and strengthening its role in European defense.
The new Belgian government has also committed to investments in long-range firepower, including multiple launch rocket systems (MLRS), which could align with MGCS participation. Options under consideration include the French FLP-T program, the American M142 HIMARS, and the Euro-PULS system from Elbit Systems and KNDS Deutschland. The focus on long-range strike capabilities is part of Belgium’s broader effort to enhance indirect fire and deep-strike capabilities. Alongside the MGCS, Belgium is engaged as an observer in the Future Combat Air System (SCAF) and is considering involvement in the Next Generation Rotary Capacity initiative to develop a replacement for the medium multi-role helicopters currently in service with European armies, such as the AW-101.
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