[gila]

Welcome to the Aleutians!
Where tracked and wheeled vehicles are as useless as tits on a bull.
I"ve tried changing the terrian but no use they always end up getting stuck anyway in the gullies between hills.
It's best to forgo armour and tranport until you get to Africa if you chose to go there later.
(jungles are even worse for armour)
Also the japs just don't supress or retreat to well, until you get the platoon leader of that unit.
Good Luck!