Shaped Charge or Fragment: Matching Warhead Physics to the Target Set

Every drone strike begins with a decision that predates the launch: which effect to deliver. At the class level, drone-delivered warheads divide into two physics packages. Concentrated directional effects — the shaped-charge family — focus explosive energy against a small area in order to defeat armor. Distributed effects — blast and fragmentation — spread energy across a volume to attack personnel, soft vehicles, and structures. The drone did not change the physics. It changed who makes the selection and when: warhead choice, once a staff decision made at the arsenal during weapon design, is now a tactical decision made at the launch site, sometimes per sortie and per pass.

The shaped-charge class owns the armor problem. Drone units on both sides of the Ukraine war standardly employ warheads derived from the RPG-7 family — the PG-7 lineage and its successors — carried beneath FPV airframes; the combination is so common it has become the visual signature of the conflict. The employment logic is top attack: armor is thinnest on the roof, the engine deck, and the turret rear, and a drone approaches from whatever azimuth the operator chooses, unbound by the terrain that constrains a ground launcher. Against main battle tanks the result is often a mobility or fire-power kill rather than catastrophic destruction, which is sufficient — a mission-killed tank is a recovery problem for its owners and a written-off one for its attacker's accounting.

The blast-fragmentation class owns everything else. Grenades, mortar bombs, and purpose-built fragmentation warheads attack personnel in the open and in cover, unarmored vehicles, ammunition points, and light structures; against enclosed spaces, blast overpressure does work that fragments alone cannot. The tactical menu is wide: point effects for trenches and open ground, above-target effects against covered positions — a fuzing problem this desk has examined separately — and delayed effects against structures. Fragmentation warheads also scale gracefully: the same physics serves a 400-gram drop munition and a multi-kilogram loitering-munition charge, which is one reason the class dominates total expenditure even as shaped charges dominate the footage.

Matching warhead to target set has become a staff competency with its own training literature. Mature drone units maintain loadout menus keyed to a target taxonomy: anti-armor rounds for vehicles, fragmentation for personnel and soft targets, larger blast fills for structures and fortifications, and — at the class level — thermobaric options for enclosed spaces, a type both sides have integrated into drone delivery. Multi-drop bombers routinely carry mixed loads and select per pass; FPV teams re-role between armor and infantry tasking by swapping the warhead assembly. ISR cueing closes the loop: the observer identifies the target class, and the strike element arms accordingly. The drone team increasingly resembles a small fire-direction center with wings.