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Diehl Defence Relies on Libelle Loitering Munition to Enhance Anti-Tank Capabilities.
Diehl Defence is developing the Libelle loitering munition, designed to meet the operational requirements of modern battlefields. This system integrates established technologies with innovations to enhance effectiveness in complex combat environments. With loitering munitions playing an increasingly prominent role in recent conflicts, Diehl Defence aims to offer a system adaptable to the needs of armed forces. The Libelle was presented at IDEX 2025, showcasing its capabilities to military professionals and potential buyers in the defense sector.
Designed in two versions, the Libelle can be employed in a man-portable configuration or integrated into vehicles for enhanced operational flexibility (Picture source: Army Recognition)
The Libelle is distinct from traditional loitering munitions and drone-based strike systems. Instead of adopting a conventional fixed-wing or multirotor design, it features two coaxial contra-rotating propellers and a compact, modular structure divided into three main sections. The upper section houses the electric propulsion system, designed to provide efficient and silent operation.
The middle section contains the core electronics, power supply, and a fiber optic spool, which enables an alternative control link independent of radio signals. The lower section carries the warhead and targeting sensors, with an optimized arrangement to ensure a high probability of hit and target discrimination.
Designed in two versions, the Libelle can be employed in a man-portable configuration or integrated into vehicles for enhanced operational flexibility. The portable variant, weighing less than 13 kg, can be easily transported in a backpack and deployed within minutes. Its operation is based on artificial intelligence-driven image recognition, allowing it to detect, classify, and track targets with minimal operator input.
This level of autonomy is particularly useful in high-stress combat environments, where reaction time is critical. The munition is intended primarily for anti-tank engagements, utilizing an explosively formed penetrator (EFP) warhead derived from the SMArt 155 sensor-fuzed projectile. Unlike traditional anti-tank guided missiles (ATGMs), which require line-of-sight engagements, the Libelle can loiter over the battlefield, identify armored targets, and strike from above, where vehicles have the least armor protection.
One of the key advantages of the Libelle is its flexible control system. Operators can control the munition via a radio link or a fiber optic cable extending several kilometers. The fiber optic connection provides a significant tactical advantage, particularly in contested environments where electronic warfare systems are deployed to jam or disrupt communications.
By eliminating electromagnetic emissions, the Libelle remains undetectable to enemy signal intelligence and direction-finding systems, increasing survivability and effectiveness in electronic warfare-heavy scenarios. The control interface is designed for ease of use, operating through a dedicated application compatible with standard military devices, eliminating the need for specialized ground control stations.
Operationally, the Libelle is suited for a range of missions, including high-risk reconnaissance, urban combat, and anti-armor engagements. Its ability to loiter over a designated area and autonomously identify high-value targets enhances battlefield situational awareness while minimizing the risk to personnel.
The munition’s small size and reduced acoustic signature make it difficult to detect and engage with traditional counter-drone measures, providing a stealth advantage in contested zones. Additionally, its reusability feature—uncommon among loitering munitions—adds to its cost-effectiveness and logistical sustainability.
Diehl Defence plans to introduce the Libelle to the market in the near future, targeting military forces that require a flexible, precise, and survivable loitering munition for modern combat operations. With the increasing proliferation of drone warfare and loitering munitions in conflicts worldwide, the demand for such systems continues to rise.
The Libelle represents an evolution in loitering munition technology, bridging the gap between traditional strike drones and guided missile systems. Its potential to complement existing anti-armor capabilities, particularly in environments where conventional ATGMs face limitations, could make it a valuable asset for armed forces integrating advanced loitering munition systems into their operational doctrines.