In the fighting compartment, displays provide the crew with a seamless 360 panoramic view.
The gunner and driver each have hatches, too, while two soldiers in the rear of the fighting compartment can also observe the area around the vehicle from an open hatch.
The FCS modular design allowed to use the prevailing part (up to 90%) of the FCS of the BMD-4 fighting compartment in the BMP-2 upgraded fighting compartment.
The KBP-designed BMD-4 and the fighting compartment of the upgraded BMP-2 with the unified FCS have the performances, which are superior to those of the best foreign counterparts: Bradley (US), Marder (Germany).
Likewise, a high standard of combat-worthiness is enhanced by the use of solid-state electrical traverse and elevation drives to keep hydraulics out of the fighting compartment
, while the relocation of the TOGS thermal imager to a position above the new L30 high-pressure rifled 120 mm gun eliminates the complicated slaving system that was necessary on the earlier Challenger.