Mark II References Mark II British tank Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Churchill tankIn the Mark II model, the three-inch howitzer on the hull was replaced by a machine gun. Read MoreIn the Mark II model, the three-inch howitzer on the hull was replaced by a machine gun. Read More