US Picket Defense's new Inferno RTC rotating turret stops a kamikaze drone in less than three seconds.

U.S. company Picket Defense Systems has unveiled the Inferno RTC counter-drone turret at SOF Week 2026, introducing a close-range hard-kill system designed to stop FPV kamikaze drones in the final seconds before impact. Announced on May 13, 2026, the rotating hemispherical turret abandons conventional remote weapon station architecture to eliminate aiming delays that have become increasingly decisive against fast, low-altitude drone attacks and swarm assaults.

Instead of traversing a single gun toward incoming threats, the Inferno RTC continuously rotates a hemispherical array of fixed-angle barrels to ensure at least one firing vector is already aligned with the target, cutting engagement latency to near zero inside a 40 to 120 meter defensive envelope. The system combines passive acoustic and optical targeting with low-cost kinetic ammunition, reflecting a broader shift in modern warfare toward distributed, rapid-reaction terminal defenses optimized for saturation drone attacks that can overwhelm traditional SHORAD and electronic warfare systems.

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Instead of calculating how quickly a turret can move toward a target, the fire control logic of the Inferno RTC determines which barrel is already geometrically closest to the predicted drone trajectory at the required firing moment. (Picture source: Picket Defense Systems)

On May 13, 2026, U.S. company Picket Defense Systems announced the presentation of its Inferno RTC rotating counter-drone turret at SOF Week 2026, a new terminal-defense system optimized for FPV drones, swarm attacks, and close-range interception inside a 40 to 120 meters zone. Unlike modern remote weapon stations (RWS), this American company uses a continuously rotating hemispherical turret carrying fixed-angle barrels distributed across multiple elevation planes rather than a conventional traversing gun mount. Two variants were announced, including a 20 kg model with 36 barrels and a 40 kg version carrying more than 54 barrels capable of firing 5.56 mm, .410, 20-gauge, 12-gauge, and 40 mm low-velocity ammunition.

Picket claims passive detection at 90 to 120 meters, zero aiming latency, 360° hemispherical coverage, no radar emissions, and a 40-meter assured kill zone. Operationally, Inferno functions as a terminal hard-kill layer comparable to naval CIWS and active protection systems (APS) rather than short-range air defense systems such as the Skynex, the Pantsir, or the Korkut. The Inferno RTC focuses on the timing geometry newly created by FPV drone warfare, where engagement windows collapsed to only a few seconds at short range. For instance, a drone traveling at 120 km/h crosses 100 meters in three seconds, while one traveling at 160 km/h crosses the same distance in roughly 2.25 seconds.

Conventional remote weapon stations still rely on detection, turret slew, stabilization, tracking, and firing, a process originally optimized for helicopters and conventional UAVs engaged kilometers away. However, modern FPV tactics increasingly involve rooftop emergence, trench-line pop-up attacks, treeline masking, rear-sector approaches, and terminal dives intended specifically to exploit the turret's reaction delays. Even advanced remote weapon stations can lose between 0.5 and 1.5 seconds during traversal and stabilization, which becomes operationally decisive when the engagement window itself lasts only two to four seconds.

The limiting factor is therefore no longer maximum range, but the reaction latency inside the final 50 to 150 meters before impact, particularly during multi-axis swarm attacks where sequential engagement logic breaks down. Therefore, Picket Defense Systems attempts to replace this turret traversal, seen as the primary engagement bottleneck, with a continuous rotation through a hemisphere where barrels remain fixed at different elevation angles around the structure. Instead of moving one weapon toward the target, the Inferno RTC selects whichever barrel is already geometrically closest to the predicted interception vector.

This converts the engagement problem from continuous precision tracking into rotational timing and directional availability. Mechanically, the hemisphere reduces dependence on high-torque traverse motors, gyrostabilization systems, recoil compensation assemblies, and continuous fine pointing correction. The system, therefore, resembles a distributed interception lattice more than a conventional stabilized gun mount. The Inferno RTC also changes the multi-target engagement tactics, because it no longer needs to stop, stabilize, reacquire, and reorient between successive drones during swarm attacks. 

The closest conceptual predecessor is likely the Australian Metal Storm weapon developed during the 1990s and 2000s, which used electronically fired stacked-projectile barrels to maximize instantaneous projectile availability while minimizing mechanical delay.

The engagement distances place the Inferno RTC doctrinally closer to active protection systems (APS) and naval close-in weapon systems (CIWS) than to traditional short-range air defense (SHORAD) systems. For instance, the 40-meter assured kill zone resembles the interception envelopes used by systems such as the Trophy APS and the naval Phalanx CIWS, both designed to defeat threats seconds before impact rather than hundreds of meters away. These systems assume hostile drones have already penetrated the outer defensive layers and that survivability now depends on immediate local interception.

This reflects battlefield conditions in Ukraine, where low-altitude FPV drones routinely evade radar through terrain masking, fiber-optic drones bypass RF jamming, and autonomous drones reduce reliance on radio-frequency links. Picket Defense Systems, therefore, assumes electronic warfare alone is insufficient and that kinetic terminal interception becomes mandatory once drones enter the final attack phase. The Inferno RTC also follows a historical pattern observed whenever engagement timelines become shorter than practical human reaction speed.

The closest conceptual predecessor is likely the Australian Metal Storm weapon developed during the 1990s and 2000s, which used electronically fired stacked-projectile barrels to maximize instantaneous projectile availability while minimizing mechanical delay. One Metal Storm demonstration used 36 barrels to discharge 180 rounds in 0.01 seconds, theoretically exceeding one million rounds per minute. Even so, the Inferno RTC significantly differs, as the Metal Storm concentrated its fire directionally while the Inferno RTC spatially distributes firing vectors across an entire hemisphere, thereby literally creating a 360° bubble of projectiles.

Similar interception logic also appeared historically in WWII anti-aircraft barrage fire, Chambers flintlock volley gun, naval flak concentration zones, Soviet saturation fire doctrine, and naval CIWS systems such as the AK-630 and Goalkeeper. Across these systems, the common principle is that collapsing engagement timelines force defensive systems away from precision, aiming toward probabilistic interception geometry and persistent firing availability. The Inferno RTC also uses a passive targeting architecture combining 3D acoustic microphone arrays, optical cameras, onboard AI classification, and TinyML processing while avoiding radar emissions entirely.

Passive sensing reduces radio frequency (RF) signature, lowers electronic intelligence (ELINT) exposure, decreases vulnerability to anti-radiation targeting, and minimizes electronic detectability. This is increasingly relevant because modern drone warfare integrates RF geolocation, artillery cueing, autonomous RF homing, and electronic surveillance directly into targeting cycles. The Inferno RTC uses acoustic and optical fusion to identify and prioritize drones without broadcasting detectable emissions. However, acoustic targeting degrades significantly in artillery-heavy environments, urban reverberation, high-wind conditions, overlapping rotor signatures, engine noise, and dense battlefield clutter.

The Inferno RTC also uses 3D-printed resin construction instead of traditional machined metal assemblies, reducing production cost, simplifying manufacturing, lowering system weight, and accelerating deployment speed. (Picture source: Picket Defense Systems)

The relatively short detection range (90 to 120 meters) indicates the system is intended as a reflexive local defense node rather than a wide-area surveillance system. More interestingly, the ammunition and manufacturing philosophy behind the Inferno RTC differs sharply from Western counter-drone programs emphasizing expensive interceptors, programmable airburst systems, lasers, or high-energy microwave weapons. The Inferno instead uses comparatively inexpensive ammunition, including 5.56 mm, .410, 20-gauge, 12-gauge, and 40 mm low-velocity rounds, indicating an optimization around fragmentation density, rapid engagement, and low cost per interception.

This reflects the economic asymmetry of FPV warfare, where drones costing hundreds of dollars increasingly force defenders to expend interceptors costing tens or hundreds of thousands of dollars. The system also uses 3D-printed resin construction instead of traditional machined metal assemblies, reducing production cost, simplifying manufacturing, lowering system weight, and accelerating deployment speed. The smaller 20 kg variant could even theoretically be mounted on MRAP roofs, trench positions, convoy escorts, unmanned ground vehicles, checkpoints, or temporary expeditionary defensive structures without requiring heavy stabilization hardware.

Several operational and technical uncertainties remain unresolved, at least in theory. The 40-meter interception radius means drone destruction occurs extremely close to the defended asset itself, creating fragmentation hazards for nearby personnel, sensors, antennas, or lightly armored vehicles, even when interception succeeds. Reload procedures for a continuously rotating 36 or 54-barrel array remain unclear, particularly regarding reload speed during sustained swarm attacks, ammunition packaging, barrel replacement, field maintainability, and sustained engagement tempo once the initial munition load is depleted.

Questions also remain regarding power consumption, overheating during repeated engagements, and resistance to battlefield dust, debris, and vibration. Like many assets, the turret may also remain vulnerable to vertical munition-drop attacks, bomblet release outside the interception envelope, or top-attack explosively formed penetrator delivery profiles. Available information strongly suggests optimization primarily against Group 1 and Group 2 drones operating at low altitude and short range rather than larger UAVs. Nevertheless, the significance of Inferno is clearly architectural rather than quantitative.

This innovative turret attempts to redesign close-range drone defense around latency reduction, hemispheric directional availability, distributed deployment, passive survivability, and saturation-interception relationship. Historically, comparable transitions occurred during naval CIWS development against anti-ship missiles and hard-kill APS development against ATGMs when engagement timelines collapsed below practical human reaction limits. Picket Defense Systems applies the same logic specifically to drone warfare by assuming some of them will inevitably penetrate outer defensive layers and that localized terminal hard-kill interception consequently becomes mandatory.

The Inferno RTC, let us emphasise this once again, prioritizes immediate reaction over long-range interception and treats the drone problem primarily as a reaction-time and saturation problem rather than a range problem. Whether the architecture proves operationally viable depends on variables encountered by every military asset, including real-world kill probability, reload efficiency, sustained swarm handling, acoustic performance under battlefield conditions, sustainment logistics, and long-term durability, everything that does (or does not) appear only after deployment.

Written by Jérôme Brahy

Jérôme Brahy is a defense analyst and documentalist at Army Recognition. He specializes in naval modernization, aviation, drones, armored vehicles, and artillery, with a focus on strategic developments in the United States, China, Ukraine, Russia, Türkiye, and Belgium. His analyses go beyond the facts, providing context, identifying key actors, and explaining why defense news matters on a global scale.