Are there really 4th generation MBTs?

In many discussions today it is very easy to notice that many people refer to different MBTs as being of a certain generation, and often referring to just one tank as being of several generations. This became most apparent when the T-14 tank of the Armata universal ground combat vehicle family was publicly shown in May 2015, in the annual...

Are there really 4th generation MBTs?

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