On the Phalanx, about 1.5 - 5.5 km? Either self-radar or tied into a broader net. That's current-gen, repurposed from something designed against cruise missil

On the Phalanx, about 1.5 - 5.5 km? Either self-radar or tied into a broader net. That's current-gen, repurposed from something designed against cruise missiles. Next gen will probably optimize for or supplement with lighter weight projectiles, depending on whether lighter or heavier drones proliferate.