Something a bit different here. This is basically your standard generic allied forces engineer company, but they can double as tunnelers if the scenario calls for it.
We played a Messines Ridge game a couple of years ago but these guys weren't included that time round
CD Over the Top doesn't really cater for underground warfare but the provision is there if you wanted to use it, the rules are similar to sewer fighting in WW2 scenarios
All HaT figures with the obligatory picks and shovels. More top-stuff from David Russell.