sentences:  Most western tanks of this generation were armed with the 105 mm Royal Ordnance L7 tank gun or derivatives of it.The third generation of main battle tanks is characterized by composite armour and computerized stabilized fire control systems, which allow firing on the move as well as very high first hit probability on targets up to 2,000 meters away.Third Generation Advanced has been stated, rather than "Next/Fourth Generation" in many premieres for advanced new tanks.