FPV Drones Now Cause 80% of Battlefield Casualties but Lack Any Legal Framework

First-person-view kamikaze drones have become the dominant killing instrument in the Ukraine-Russia war. Ukrainian FPV and bomber drones carried out 819,737 confirmed strikes in 2025 alone, killing or seriously injuring over 240,000 Russian soldiers that year. By December 2025, drones were killing and wounding more Russian soldiers per month than Moscow could recruit. Drones now account for roughly 80% of all battlefield casualties on both sides. This matters because a $400-$500 weapon that any country can mass-produce has fundamentally altered the economics of warfare. Ukraine scaled from 1,200 drones in 2022 to 1.7 million in 2024 and aims for 4 million per year at full capacity. When the cost of inflicting a casualty drops below $500, the calculus of deterrence, defense budgets, and military procurement built around expensive precision munitions collapses entirely. Every nation's defense planning is now obsolete if it assumes conventional force-on-force engagements. The civilian toll is equally alarming. In January 2025, short-range drones became the leading cause of civilian casualties in Ukraine, responsible for 27% of civilian deaths and 30% of civilian injuries that month. FPV drones are being dropped on private vehicles, public transport, and residential areas. Between February 2022 and April 2025, UN investigators documented over 3,000 civilian deaths from drone attacks in Ukraine. Yet there is no international legal framework specifically governing the use of FPV drones in warfare. Existing international humanitarian law was written for missiles, artillery, and manned aircraft with clear chains of command. FPV drones blur every line: they are cheap enough for non-state actors, simple enough for minimally trained operators, and numerous enough that individual strike accountability becomes impractical. The structural reason this gap persists is that the technology proliferated faster than any diplomatic process can move, and the nations most actively using drones have no incentive to restrict themselves while at war.