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US Army Deploys GOBLN Drone for Military Mine Clearance Operations during Project Convergence-Capstone 5.
During the Project Convergence-Capstone 5 (PC-C5) exercise, held in March 2025 at Fort Irwin, California, the U.S. Army tested several advanced technologies aimed at improving interoperability and operational effectiveness on the battlefield. The Ground Obstacle Breaching Lane Neutralizer (GOBLN) was demonstrated in multiple scenarios, as shown in drone images released by the U.S. Department of Defense. Designed to neutralize mines and other ground obstacles remotely, the GOBLN reduces risks for combat engineers tasked with mine clearance and obstacle-breaching operations.
The Advanced Multi-Mission UAS R80D SkyRaider, an integral part of the GOBLN system, provides reconnaissance and detection capabilities with electro-optical and infrared sensors, enabling precise threat classification and remote mine clearance operations (Picture source: US DoD)
GOBLN is a modular system integrating multiple technologies. It consists of three main components: an 81mm automatic mortar system, a reconnaissance and detection drone, and a neutralization munition. These elements work together to identify, target, and eliminate mines or other barriers while maintaining a safe distance for ground forces.
The first component is the 81mm automatic mortar system, mounted on a specialized vehicle. It is designed to fire high explosive (HE) rounds capable of neutralizing mines and other obstacles. During tests at the Yuma Test Range in March 2024, military analysts observed three possible outcomes: direct impact damaging the mine’s fuze, immediate detonation upon impact, or ignition and combustion of the explosive charge, the latter being considered the most effective neutralization method.
The second key component is the Advanced Multi-Mission UAS R80D SkyRaider, a reconnaissance and detection drone. This VTOL (Vertical Take-Off and Landing) UAV, developed for U.S. defense and federal agencies, combines agility with the capability to carry Group 2-3 payloads. Equipped with electro-optical and infrared sensors, it scans terrain for obstacles, minimizing risk to personnel. Its networked data integration allows for precise threat classification and optimized neutralization solutions. The open-architecture design, via the Payload Development Kit (PDK), supports payloads of up to 3.5 kg (7.7 lbs), enhancing mission flexibility. Additionally, its onboard artificial intelligence (AI) processing system enables semi-autonomous operation and effective function in GPS- or communication-denied environments.
The third component is the neutralization munition, deployed via the 81mm mortar system. During tests in Arizona, researchers analyzed strike effectiveness against strategically placed mines. After each firing sequence, data was reviewed to adjust launcher positioning and improve targeting precision. This approach refines the system’s ability to neutralize obstacles with maximum accuracy.
The development and testing of GOBLN align with efforts to address persistent threats posed by landmines and improvised explosive devices (IEDs) on modern battlefields. These hazards continue to cause significant casualties among military personnel and civilians. The U.S. Army is seeking to enhance force protection while maintaining high operational tempo through solutions that improve clearance efficiency and minimize exposure to explosive threats.
The PC-C5 exercise serves as a critical platform for evaluating and integrating emerging technologies. By focusing on interoperability between communication, detection, and weapon systems, the event enhances coordination between U.S. and allied forces. It also demonstrates how systems like GOBLN can be incorporated into combined operations, improving decision-making speed and overall battlefield effectiveness.
The inclusion of GOBLN in PC-C5 highlights the Army’s growing focus on autonomous and semi-autonomous capabilities for modern operations. The integration of advanced UAVs like the R80D SkyRaider with precision-guided mortar systems not only enhances clearance effectiveness but also reduces risks for personnel. This development represents a shift in combat engineering tactics and may see operational deployment in future conflict zones.
The testing of GOBLN at PC-C5 marks a significant step in the evolution of obstacle clearance technology. By incorporating AI, automation, and interoperability, the system demonstrates how the armed forces are adapting to emerging challenges and preparing for future engagements.