Actually he's a member of the top secret German unit tasked with evaluating captured enemy equipment. The Germans were astounded at the psychological impact of this particular weapon, which they termed "schreiende erwürgte katze" or "screaming strangled cat". The first squealing drones had the "volunteer" test platoon running from their positions with their hands over their ears yelling ""Make it stop!". They'd never seen such a small device have such a tremendous impact on the battlefield.