U.S. Navy F/A-18 Hornets released a swarm of 103 Perdix semi-autonomous drones in flight.

The Perdix drone is an itty-bitty thing with only 20 minutes duration, but it seems to be capable of some interesting things when released as a semi-autonomous swarm. The swarm of drones starts off as a line, but they end up orbiting a single target at a radius of about 100 meters. Beyond the direct military applications of data gathering, this sort of thing would likely be *seriously* disturbing to enemy forces. The end of the video is shot from that central point as a hundred screaming things circle it like a school of hungry piranha-banshee.