Nice job on the hull textures, though your grid lines are a little too pronounced. But hey, you're not going for 100% accuracy. Your weathering job looks very nice.
I'm amazed at how quickly you modeled that K-7 station! Looks pretty good. One tip: The raised hull sections should be like steps constantly decreasing in height from a central plate, rather than one high, one low, one high, etc. But again, you're not going for 100% accuracy. ;)