Boche,
Thanks for the reply, though it still had me confused for a minute. As I could find no fortification tab. Then I had a closer look at the red side, there it was. So it looks like they are there for red but not for blue. I even double check the mission type. Did not matter if red attack or blue attack, the mines we only under red.
This is a pity as I am trying to use shock force as a training aid and wanted to set a blue defence with mines. Looks like I will need to do a work around.
Thanks for clarifying what I could not find in the manual.