There were lighter and quicker tanks operating in WWI, like the British-designed Medium Mark A Whippet (pictured), a 14-ton medium tank that used two four-cylinder 45-horsepower engines to achieve ...

Beginning in World War II, ... in which British tanks will be built, ... medium and heavy tanks, self-propelled guns and tank recovery vehicles,” the News wrote in 1976.

During World War II, American tank operators faced cramped confines, poor armor protection, and generally miserable conditions during their time in the M4 Sherman.. It was manned by a crew of five ...