Hanwha Aerospace to combine targeting drones with K9 howitzers to direct artillery strikes.

South Korea’s Hanwha Aerospace unveiled an advanced K9 operating concept integrating vertical takeoff and landing (VTOL) fire-guidance drones directly into the self-propelled howitzer’s fire direction system on September 3, 2026, at the fifth K9 User Club in Tartu, Estonia. The architecture utilizes a single continuous-custody UAV to handle target detection, coordinate calculation, and battle damage assessment without needing multiple handoffs across external reconnaissance assets. By replacing manual data handling with direct machine-to-system data transfers, the concept targets eliminating redundant steps in the call-for-fire sequence to compress sensor-to-shooter timelines from minutes to seconds.

The organic VTOL UAV integration maintains target custody to feed precise firing coordinates directly to the K9 fire direction system while providing real-time impact observation and immediate battle damage assessment. By bypassing higher-echelon reconnaissance nodes and manual voice entries, the system aims to compress legacy 15-to-20-minute artillery call-for-fire timelines down to under 60 seconds without altering 155 mm ammunition ballistic dispersion.

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Hanwha’s new K9 concept directly integrates a VTOL drone into the howitzer’s fire direction system to detect and track targets, generate and transmit coordinates, observe impacts, correct fire, and conduct battle damage assessment. (Picture source: Norwegian MoD)

On September 3, 2026, South Korea's Hanwha Aerospace unveiled a new K9 operating concept that inserts a VTOL drone directly into the howitzer's fire direction system, allowing one UAV to detect and track targets, calculate coordinates, transmit them to the K9 Thunder, observe impacts, and conduct battle-damage assessment without ending its mission after initial reconnaissance. The "Drones locate, K9s precision strike" concept was shown at the fifth K9 User Club in Tartu, Estonia, held from September 2-4 with more than 200 military and industry personnel representing seven K9 operators (South Korea, Estonia, Poland, Norway, Finland, Romania and Australia) plus observers from Spain and Sweden. The VTOL UAV changes neither the K9's performance nor the dispersion of its 155 mm ammunition: the intended improvement is measured in seconds and minutes removed from the reconnaissance-to-fire sequence.

The UAV effectively collapses several functions that can otherwise be currently distributed between reconnaissance units, drone operators, counter-battery radars, joint surveillance and target-acquisition systems, post-strike reconnaissance elements, or other assets controlled above battery level. Concretely, this drone would detect a target, maintain custody, produce coordinates, and feed them directly into the K9 fire direction system, then remain overhead to observe the fall of shot and determine whether additional rounds are required. This matters because centrally controlled reconnaissance assets such as UAV formations, artillery-locating radars and joint surveillance teams must serve multiple units, while an organic sensor can be tasked according to the artillery unit's own firing priorities. The most consequential interface is coordinate transfer: replacing voice transmission and subsequent manual data entry with machine-to-system transfer removes human handling stages in which seconds or minutes can accumulate and coordinates can become stale.

The scale of the potential improvement is clearer when measured against existing artillery timelines. Manually coordinated Ukrainian fire missions have required 15 to 20 minutes or even longer under some conditions, whereas digitally networked processes have reduced favorable-condition engagements below one minute; reducing 15 minutes to 60 seconds removes 840 seconds, or 93.3%, while reducing 20 minutes to 60 seconds removes 1,140 seconds, or 95%. U.S. Army Project Shrike has demonstrated another step by combining drone telemetry, machine-assisted target recognition, and fire adjustment to reduce portions of the call-for-fire process from minutes to seconds. Russian reconnaissance-fire systems have previously reached about three minutes under favorable conditions, meaning a 15-minute opposing process represents five consecutive three-minute windows in which a detected artillery piece, EW vehicle, or command post can relocate.

The UAV can also reduce ammunition expenditure, but primarily by accelerating correction rather than changing projectile accuracy. In an engagement involving Ukraine's 147th Artillery Brigade, a first 155 mm projectile landed about 70 m short; an observation drone measured the error and a subsequent corrected round struck the targeted shelter. A 70-m error corrected after one round is operationally different from firing several rounds before an observer establishes the mean point of impact, particularly because every additional round increases ammunition consumption and the time the gun remains stationary. The UAV also provides immediate battle damage assessment (BDA): if two or three rounds produce the required effect, the mission can stop rather than completing a predetermined allocation, while a surviving target can be re-engaged without reacquiring it. However, conventional 155 mm projectiles still disperse around a mean point of impact and produce a beaten zone whose dimensions generally increase with range.

Moving targets expose an additional physical limitation. A vehicle travelling at 40 km/h covers 11.1 m per second, 167 m in 15 seconds and 333 m in 30 seconds; at 60 km/h those distances become 16.7 m per second, 250 m in 15 seconds and 500 m in 30 seconds. A UAV can continuously update those coordinates, but a conventional projectile cannot alter its ballistic trajectory after leaving the barrel, so coordinate freshness at firing does not guarantee target position at impact. This makes projectile time of flight, target speed, and ammunition type as important as UAV tracking accuracy. Engagement can instead use predicted future coordinates, multiple rounds distributed over the target's probable movement corridor, or guided ammunition capable of terminal correction. Russia's pairing of Orlan-30 UAVs with Krasnopol laser-guided artillery ammunition illustrates the latter architecture, in which the unmanned aircraft maintains observation and designation while the projectile supplies terminal guidance.

The concept also introduces a measurable survivability trade-off because an organic UAV logically requires communications. A drone remaining overhead from acquisition through correction and BDA must exchange command, telemetry, and potentially electro-optical or infrared imagery with its ground element, extending RF activity beyond the initial target detection phase. Electronic warfare systems can potentially detect the transmission, determine its bearing, correlate repeated emissions, and support geolocation or jamming; if the ground station is physically colocated with the K9, that process can expose the gun as well as the drone operator. This matters because dispersed artillery increasingly relies on avoiding long occupation of firing positions rather than absorbing counter-battery fire. The concept could therefore shorten physical exposure by accelerating the fire mission while simultaneously increasing electromagnetic exposure through persistent UAV control. Still, the K9 drone concept does not explicitly exclude whether the aircraft launches from the K9 itself, another vehicle, or a separate UAV team, nor whether control can be handed between stations.

Hanwha is developing this drone integration alongside a substantial increase in mechanical automation. Its latest K9A2 introduces a fully automated turret and ammunition-handling system, while the wheeled K9MH transfers this technology to a different vehicle configuration. During U.S. Army evaluation, the K9MH automatically fired nine rounds within one minute, corresponding to 6.7 seconds per round when averaged across a 60-second sequence. On August 18, 2026, the U.S. Army selected Hanwha Defense USA for its Mobile Tactical Cannon (MTC) prototype effort: the initial agreement is valued at $100.3 million, with six K9MH prototypes and an option for another 12, bringing the potential fleet to 18 and cumulative contract value to $262.9 million. Hanwha is also establishing an integration and test site in Opelika, Alabama, while Army soldier testing will inform whether the MTC proceeds toward fielding as a replacement for M777 towed howitzers in selected formations. The UAV concept is not part of the disclosed MTC requirement; the connection is the increasing use of automated loading, digital fire control and K9-derived components across tracked, wheeled and future autonomous artillery configurations.

To date, more than 2,400 K9 Thunder howitzers have been ordered by more than 10 countries, while Hanwha's TOMMS Sustainment Portal (TSP) initially digitizes procurement and tracking for 700 to 800 frequently requested spare parts. TSP now consolidates quotation requests, quotations, purchase orders, and delivery tracking that previously relied substantially on email and manual processing, while a planned Polish spare parts warehouse would move part of this inventory physically closer to European K9 fleets. Hanwha intends to use consumption, maintenance, and operational data to forecast component demand and pre-position parts, allowing reductions in delivery time, maintenance downtime, inventory requirements, and mean time to repair. Australia will host the next K9 User Club in 2027, and until then, the strongest measurable element of the new concept is its architecture: one drone remains responsible for the target from initial detection through coordinate generation, impact correction, and BDA, removing intermediate transfers from the artillery engagement chain.

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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, South Korea, Türkiye, and Belgium. His analyses go beyond the facts, providing context, identifying key actors, and explaining why defense news matters on a global scale.