Mothership / Carrier UAV

Larger UAV that carries and releases sub-drones (FPVs, loitering munitions, or decoys) deep behind the front line. Extends the effective range of short-legged drones by hundreds of kilometres and complicates the defence by spawning multiple low-altitude threats from a single radar track. Tactical employment reads as an aviation problem, not a drone problem: the carrier ingresses at 1,500–3,000 m along a rehearsed corridor, releases its payload outside the engagement zone of point-defence C-UAS, and either returns to base or continues as an ISR relay. Each released sub-drone then operates as if launched from the release point, giving a 200–1,500 km carrier the ability to project 10–40 km FPV strikes into targets that were previously unreachable: command posts, air defence sites, logistics hubs, port infrastructure. From the defender's point of view, one radar contact becomes eight, spread across a wide arc, at low altitude, at the same moment. Cueing chains built for one threat at a time saturate immediately. The most effective counter is early kill of the carrier before release: medium-range SAMs, air-to-air interception by fighters, and passive RF geolocation of the carrier's datalink all remain viable while the platform is at cruise altitude. Once the sub-drones are released the problem devolves to standard FPV / loitering-munition defence at every impact point simultaneously, which is arithmetically the harder shot. RF jamming has only moderate effect because carrier and sub-drones increasingly use encrypted mesh links or fibre relays; laser and HPM systems help against the released swarm but require dense coverage of the target area. Recent combat observations: Ukrainian carrier platforms demonstrating 300 km deep-strike with two-FPV payloads (Janes, Army Technology 2025), open-source flight tests through 2025 (UAS Vision Apr 2025), Iranian large loitering munitions reported releasing sub-munitions over target areas, and Houthi experimentation with carrier UAV concepts in Red Sea operations. The type is the operational bridge between the tactical FPV fight and the strategic deep-strike fight, and current air defence architectures are only partially adapted to it.