I probably should have been clearer.. it's the US ww2 armored lists I'm referring to. I always conceal them and dig them in anyhow, I just wanted to check I wasn't breaking any rules by dismounting them
I used them to cover my advance in a game over the weekend (defensive but offensive at the same time) and it effectively kept my opponents artillery out of the game as his spotters couldn't see me! 85 points for 3 mortars.. Most cost effective smoke bombardment in the game!
My opponent did have some nasty weapons hence I kept them as far back as possible!