World of Tanks requirements for Marks of Excellence and Mastery badges. Target damage WN8, MoE calculator.

Concept 1BTier 9, Heavy tank★ Premium tank

From the late 1960s to the early 1970s, under the program for developing a new main battle tank, various designs were considered. One of them was a variant known as Concept 1B with a low turret and manual loading of a 110 mm rifled gun with high ballistics. No metal prototype was produced.