OPFOR Tanks Fire Control Systems By @Vericht & @Cyico for FK community. ARMA version: 1.80.144071 RHS version: 0.4.4 All rights reserved to their respected owners. PDF version: WIP Most of the Soviet/Russian tanks use quite complex FCS with long, boring names, but in Arma 3 we have basically 8 main scopes, sometimes combined in some tanks (like T-90A 06’ has both 1G46 and Sosna-U scopes). So here is the list of thing we want to touch in this guide: Scopes: