It looks good overall, but I don't quite understand what kind of damage you are trying to portray in some places. Do you have a reference? Are the deeper holes rotten and painted over? It looks dented in with a blunt instrument, perhaps because it's an overlay and the underlying structure doesn't change. The roughness…
Hi! To Noren's point, best share a bit more context. Reference images used help others to understand what the target is and what specific marks you're aiming to recreate. Do you intend this to be a game/ real-time asset? Shots of wireframe and UVs layout will allow for feedback of those aspects. How many texture sets are…