OK, I'm gonna lay this down truthfully. When semen encounters water it can sometimes become a bit chunky and even stickier, often getting painfully stuck in unshaven hair. I'm not sure why this is. You're lucky my momma taught me not to pull punches on questions like this.

I can see the mission type these were designed for, and it wasn't high speed pursuit. Just happened to be the best tool for the job at the time. They look to be hunter-killer drones able to track and destroy multiple targets before their power runs out. Propulsion was based on this: [www.youtube.com]