Question: What was the size of the tank gun that was the primary armament of the German heavy tank of World War II deployed from 1942 in Africa and Europe usually in independent heavy tank battalions?
Sentence (from "German heavy tank battalion"): German heavy tank battalions (German: "schwere Panzerabteilungen" ), were elite battalion-sized World War II tank units, equipped with Tiger I, and later Tiger II, heavy tanks.
Relevant evidence: No