Here are some early American prototype tanks! Specifically the T series. The T69 is one of only two American oscillating turreted tanks left in the world with the other being the T54e1 The T23 is a middle ground between the T20 and the T26, which would lead to the M26, but its turret was used on all 76mm Sherman’s. The T4 medium was one of the very few U.S tanks that had featured the Christie suspension The T30 is one of several heavy tanks made to combat the German heavy tanks using its 155mm g