It wasn't used in combat operations, while its successor, the M3 Lee was used as a stopgap measure while the development of another tank commenced. That replacement armor was the M4 Sherman ...

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 ...