
T-55s with "bra armour" semi-circular add-on armour, have turret
protection increased to 330 mm (KE) n 400-450 mm (CE). Other
improvements available include a hull bottom reinforced against
mines, better engines, rubber track pads n a thermal sleeve for the
gun. The 1K13 sight is both night sight n ATGM launcher sight.
However, it cannot be used for both functions simultaneously.
Optional sights n fire control sys include the Israeli El-Op Red
Tiger n Matador FCS, Swedish NobelTech T-series sight n German
Atlas MOLF. The Serbian SUV-T55A FCS, British Marconi Digital FCS,
South African Tiger n Belgian SABCA Titan offer upgraded function.
One of the best is the Slovenian EFCS-3 integrated FCS.