I know about the SEP, but had totally forgotten that they where looking at a tracked version as well. I have always regarded the SEP as a replacement for Patg203 ("Det stora finska mongot"), that his just as beloved as the MB Sprint
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Didnt you have an icon for the Archer in your OBAT? The SSG120 has already a nice icon in the new version so that work is done.
Anyway, I will try to dig up some OOB:s for different units so we can create formations.