The M1 Combat Car.
The M2A2 "Mae West." Known for its...uh...twin turrets. :)
The M2A4 Light Tank. Modeled after a USMC M2A4 of Co A, 1st Marine Tank Bn, Guadalcanal, 1942
A M3 Stuart Light Tank with its skirts attached.
A M5 Stuart Light Tank with hedgerow cutters still attached.
A M8 75mm GMC.