M31B1–现在

照片画廊的 M31B1恢复车辆坦克, The Medium Tank M3 was an American tank used during World War II. In Britain, the tank was called by two names based on the turret configuration and crew size. Tanks employing US pattern turrets were called the “Lee”, named after Confederate General Robert E. Lee. Variants using British pattern turrets were known as “Grant”, named after U.S. General Ulysses S. Grant. M31B1恢复车辆坦克: Based on M3A3.

资料来源： M31B1上的维基