Complex sentence: The radar unit uses the millimeter wave band and the system automatically tracks the target and guides the missile in the radar beam; this form of guidance is LOSBR (Line-Of-Sight Beam Riding) that is ACLOS.
Split into simpler sentences: The radar unit uses the millimeter wave band and the system automatically tracks the target and guides the missile in the radar beam. This form of guidance is LOSBR (Line-Of-Sight Beam Riding) that is ACLOS.