FGK is a system that provides guidance for both unguided rockets and artillery shells. In particular, it is intended to be integrated in rockets and projectiles.

The system is designed to be integrated on rockets from 127 to 300mm and 155mm projectiles by replacing their original fuze.

FGK integrates the electronics, actuators and control surfaces needed to modify and correct the trajectory of the rocket or projectile where it is integrated on. In order to operate FGK, a Ground Control Unit (GCU) has been developed. It has a double purpose, allow for mission planning and enable communication with FGK.