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Drone warfare

Attack by one or more unmanned combat aerial vehicles

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SBU "Alpha" operators with drone using M4 rifle.
Lycksele-Nord · CC BY-SA 4.0

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Drones are an expendable force multiplier that may supplement–or reduce the necessity for–live personnel during operations. Military applications of drones range from reconnaissance tasks, kamikaze missions, logistical support, bomb disposal, training and medical evacuation to electronic warfare, anti-air, anti-armor, and anti-personnel roles. However drones are typically tasked with intelligence, surveillance, target acquisition, and reconnaissance (ISTAR) missions, facilitating direct attacks on targets as part of a kill chain or through manned-unmanned teaming. Aerial drone attacks can be conducted via purpose-built UCAVs that launch ordnance during a drone strike, by loitering munitions and one-way attack drones laden with a warhead that explodes on impact, or by civilian UAVs weaponized to deploy munitions or crash into a target. Larger drones can serve a "mothership" role by deploying sub-drones or by providing electronic warfare capabilities such as radio relay. Heavy-lift drones may be used to airlift supplies or evacuate wounded personnel across a battlefield. Multiple drones can operate and attack simultaneously in a drone swarm.

The early years of the 21st century saw most drone strikes being conducted by the US military using air-to-surface missiles against ground targets within countries such as Afghanistan, Libya, Pakistan, Somalia, Syria, and Yemen during the war on terror. Drone warfare evolved and proliferated quickly in the 2010s and 2020s, with countries such as Azerbaijan, China, Iran, Israel, Russia, Turkey and Ukraine utilizing drones with increased ubiquity. Militant groups, such as the Islamic State and the Houthis, and organized crime groups such as Mexican cartels likewise have used drones for attacks against adversaries and for logistical purposes.

The Russo-Ukrainian war is "widely recognised as the world's first drone war" due to the large scale and high intensity of drone attacks, and the role of this experience in evolving the tactics of modern conventional warfare. Both armies have used a multitude of UAVs, including long-range fixed-wing drones and short range multirotor FPV drones. Ukraine became the first country to create a military branch exclusively dedicated to drone warfare—the Unmanned Systems Forces—in June 2024, with Russia following soon with its own Unmanned Systems Forces in November 2025. The Russo-Ukrainian war demonstrated how drones have disrupted traditional military doctrines in a manner similar to how gunpowder revolutionized warfare, making them a "decisive" factor in all future conflicts.

Commercial UCAVs

A commercial UCAV is any commercially-produced UAV that is modified aftermarket to carry such weapons as guided bombs, cluster bombs, incendiary devices, air-to-surface missiles, air-to-air missiles, anti-tank guided missiles or other types of precision-guided munitions, autocannons and machine guns. These weaponized civilian drones may proceed to fire munition or a missile, drop explosives and crash into or detonate above vulnerable targets. Payloads could include explosives such as hand grenades, mortar shells and IEDs or other dangerous materials such as shrapnel, chemical, radiological or biological hazards. These relatively cheap drones are also used for non-attack roles. For example, multirotor FPV drones have been used extensively by both armies for aerial reconnaissance and artillery spotting in the Russo-Ukraine War.

Anti-UAV systems are being developed by states to counter the threat posed by commercial UCAVs. According to James Rogers, an academic who studies drone warfare, "There is a big debate out there at the moment about what the best way is to counter these small UAVs, whether they are used by hobbyists causing a bit of a nuisance or in a more sinister manner by a terrorist actor." This problem has split modern counter-UAS (C-UAS) development into two primary vectors: kinetic interception and electronic warfare (EW) suppression. Kinetic solutions, which include automated laser systems, specialized net-interceptors, and rapid-fire munitions, offer definitive physical neutralization but often suffer from poor cost-to-damage ratios against low-cost commercial hardware. Conversely, non-kinetic electronic countermeasures focus on jamming global navigation satellite systems (GNSS) and severing radio frequency control links to trigger automated emergency landing sequences.

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