Back2Fronts is an extensive mod that will overhaul your Call of Duty 2 game to a next level. This mod brings more variety, intensity, realism and battle-like experience. Try new weapons, fight new enemies, fulfil new missions and explore new options. Mod is SP and MP friendly (although primary part is SP).
RGD1 is a Russian smoke stick grenade. It has short time fuse and can be cooked. Model and skin are both new.
note that RGD1 doesn't make the usual white smoke but a grey one.