The British M4 Sherman Firefly was based on America ... The Crusaders also had trouble penetrating German tank armor as they became thicker. Widely known in the early parts of the war as one ...

Formally called the 3-inch Gun Motor Carriage M10, this tank destroyer was based on the M4 Sherman chassis while mounting the 3-inch gun M7 in an open-top turret. The M10 traded armor for ...