And here we go the simbol of Cold War, the USSR T-54 medium tank. It was developed shortly after war(1945-1946) and it was armored quoite good; front hull armor was angled at 60 or 55 degrees and was 120mm thick. The primal gun was 100mm gun and that tank could go with 50-60km/h so that was quite good speed for medium tank. This tank and its upgraded version T-55 was the mostly produced after war medium tanks of new generation. TOtally was built over 40 000 vechicles of classes T-54/55 and most of them are used or in reserves of many nation, including polish army.