India's Bharat Electronics Limited (BEL) exhibited the Remote Controlled Weapon Station (RCWS), developed especially for the Arjun Mk II main battle tank, at Aero India 2017. The RCWS has a fire control system that manage to do automatically track air and land targets. The system installed in the tank tower be capable of turn 360 degrees. It provides environmental awareness on his coattails. RCWS utilizes an optical camera, thermal imager and laser rangefinder for target detection and tracking. The system has a capacity of 4 km range on the day and 2 km range on the night. The RCWS, equipped with a Russian-made NSVT 12,7 mm heavy machine gun, can also be integrated with 7,62 mm machine guns.