These surely penetrate some rather thin log & earth cover put on top of foxholes and the like, but we´re speaking of concrete pillboxes of the shelter and MG type. I assume the walls to be of 1-2 feet thickness, with the top layer probably 3 feet something. With some the 60mm mortar rounds having equally devastating effects on concrete pillboxes in the game, considerations like that can be neglected I think. (just replay the save game and see. The foremost pillbox is beaten with 60mm and no