Looks a bit unfinished at the moment, in my opinion, although it is more than ok for gaming.
You can improve it if so you desire, by going in with a brush and painting some specific areas i.e.: giving shadows, painting the "windows", weathering some parts (chipping paint, rust, grease, dust...), introducing some metallic paints on some of the "hidraulic mechanisms".
As it is now I will consider it a very good base to work from.
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