What about US concealed units?
They start on open grounds and enemy units can see them... what's the point of "concealment"?
From the rules (
If at any time a concealed squad is within LOS of an enemy unit and is not located in cover-providing terrain, it is immediately revealed.
Have to fix the central hex on map 10B.
It's not a bunker on hill level 2, instead it's a building with road connection.