Ok, I have a thought, but I don't know if it works. Could you include an engineer with a repeater pistol? That's 7 attacks, 6 of which are strength 4 armour piercing, combined with some cheap magic armour or a even rod of command if you want to spend the points, plus the crew. It gives you a chance of actually winning the combat, at least on paper. Plus it's someone who would hang around back there anyway, and frees up your "real" troops. I'd try it, but my engineer's under the brush and my main opponents don't use scouts. What do you think?