A Patriot missile costs $3 million. An FPV drone costs $500. All the cost advantage lies with the attackers, and the next wave isn’t one drone, it’s swarms.
Drone defense is starting to look less like operating a weapon and more like running a real-time distributed system. We want to fund founders building the counter-swarm stack.
Apply to YC Summer 2026 at ycombinator.com/apply.
