U.S. Army Converts Humvee into Drone Hunter with CROW Turret in Lithuania Near Russia.

The U.S. Army has transformed a Humvee into a low-cost anti-drone combat vehicle armed with a remotely operated .50 caliber machine gun, as NATO races to counter the growing threat of Russian-style drone warfare spreading from Ukraine toward Europe’s eastern border. Tested during live-fire exercises in Lithuania near Russia on May 9, 2026, the improvised “drone hunter” was developed by soldiers from the 5th Battalion, 4th Air Defense Artillery Regiment to destroy low-flying attack drones without relying on expensive missile interceptors.

Built using a Common Remotely Operated Weapon Station (CROWS) already deployed across the U.S. Army, the mobile counter-UAS system reflects an urgent Pentagon push to field cheap, fast, and scalable air defense solutions capable of stopping drone swarms threatening NATO forces, armored convoys, and critical military infrastructure. The battlefield-adapted Humvee highlights how lessons from Ukraine are rapidly reshaping U.S. Army air defense strategy for future high-intensity conflict with Russia.

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U.S. Army soldiers from the 5th Battalion, 4th Air Defense Artillery Regiment test a modified Humvee equipped with a CROWS remote weapon station and M2 Browning machine gun near Baltodvaris, Lithuania, on May 9, 2026. The improvised Mobile Fire Team vehicle, created by mounting a recycled CROWS turret onto a Humvee, provides a mobile, low-cost counter-drone capability as part of NATO’s Eastern Flank Deterrence Initiative. (Picture source: U.S. Department of War/Defense)

The battlefield-adapted Humvee was created by removing a CROWS turret from an older U.S. Army combat vehicle and custom-welding the remotely operated weapon station onto a High Mobility Multipurpose Wheeled Vehicle. The improvised Mobile Fire Team vehicle forms part of the Eastern Flank Deterrence Initiative and reflects growing Pentagon urgency to field cheap, mobile, and scalable defenses against Russian-style drone attacks threatening NATO forces across Eastern Europe.

The conversion highlights how lessons from Ukraine are directly influencing U.S. Army battlefield innovation. Cheap commercial drones, loitering munitions, and first-person-view attack drones have transformed modern combat by exposing armored vehicles, artillery units, and logistics convoys to constant aerial surveillance and precision strikes. In response, U.S. forces are increasingly searching for affordable counter-drone solutions capable of defeating mass drone attacks without relying solely on expensive missile interceptors.

The Common Remotely Operated Weapon Station, widely known as CROWS, was originally designed to improve crew survivability by allowing soldiers to fire heavy weapons from inside armored vehicles rather than exposing themselves through roof hatches. Developed for the U.S. Army by Kongsberg Defense & Aerospace, the turret integrates stabilized electro-optical sights, thermal imaging sensors, laser rangefinders, and computerized targeting systems that enable accurate engagement while moving or operating in poor visibility.

CROWS systems are widely deployed across the U.S. Army fleet and can be mounted on vehicles including the M1126 Stryker infantry carrier vehicle, the Joint Light Tactical Vehicle, the M-ATV mine-resistant ambush-protected vehicle, the Family of Medium Tactical Vehicles, and several Humvee variants. The system can fire multiple weapon types, including the M2 Browning .50-caliber machine gun, the M240 7.62 mm machine gun, and the MK19 40 mm automatic grenade launcher. For counter-UAS operations, the M2 Browning provides an effective low-cost kinetic option against small drones operating at low altitude.

By integrating the turret onto a Humvee, Army air defenders have created a highly mobile short-range air defense system capable of accompanying maneuver forces across dispersed terrain. Unlike heavier dedicated air defense vehicles, the modified Humvee can rapidly reposition along forest roads, convoy routes, and forward operating zones common in the Baltic region. This mobility is increasingly critical as NATO planners prepare for future combat environments saturated with drones, electronic warfare, and long-range precision fires.

The live-fire exercise was conducted during Project Flytrap, a large-scale multinational experimentation campaign running from April 27 to May 31, 2026, alongside Saber Strike, Sword 26, Immediate Response, and Swift Response exercises. The program focuses on integrating counter-unmanned aerial systems, artificial intelligence-enabled command and control, and real-time battlefield data sharing to accelerate targeting decisions and improve force protection across multiple operational domains.

Project Flytrap demonstrates how the Pentagon is adapting to the reality that future wars may involve large-scale drone swarms capable of overwhelming conventional air defense systems. Missile-based interceptors such as Patriot remain essential against aircraft and ballistic missiles, but they are economically unsustainable against cheap, expendable drones costing only a fraction of the price of interceptors. Mobile gun-based systems such as the Humvee-mounted CROWS configuration offer a far cheaper engagement solution while remaining highly deployable.

The U.S. Army’s improvised anti-drone Humvee also reflects a broader shift toward rapid battlefield adaptation rather than waiting for long acquisition cycles. By recycling existing CROWS turrets from older vehicles and integrating them onto available tactical trucks, units can quickly field new capabilities using existing inventory and maintenance infrastructure. The approach mirrors wartime innovation cycles seen in Ukraine, where combat units continuously adapt commercial technology and legacy weapons to meet emerging battlefield threats.

For NATO forces positioned near Russia’s borders, the development carries important strategic implications. Russian military doctrine increasingly emphasizes layered drone reconnaissance, electronic warfare coordination, and precision strike capability designed to disrupt command posts, artillery batteries, and logistics corridors before larger offensive operations. Mobile counter-UAS vehicles, such as the Lithuanian-tested Humvee, provide frontline formations with an additional defensive layer capable of responding rapidly to low-altitude aerial threats.

The Humvee drone hunter tested in Lithuania may therefore represent more than a temporary field modification. It offers a glimpse into how the U.S. Army could rapidly expand distributed short-range air defense coverage across Europe using inexpensive and adaptable systems optimized for the realities of modern drone warfare.

Written by Alain Servaes – Chief Editor, Army Recognition Group
Alain Servaes is a former infantry non-commissioned officer and the founder of Army Recognition. With over 20 years in defense journalism, he provides expert analysis on military equipment, NATO operations, and the global defense industry.