The T-55 is one of the most prolific AFV ever, with an estimated 60,000 produced. The T-55 was the main Soviet battle tank post WWII and was still in production until the early 1990s. The T-55 was armed with a D10 100mm rifled gun along with a 7.62mm coaxial machine gun. In service with a staggering 65 different armies the T-55 has seen service in most of the worlds conflict zones around the world following WWII.