Probably it is.
Anyway, it's about time You start clean-up operation - the scale bar, stray pixels (some near credits and some light grey above hull) and that tiny guy levitating above the bow (but I'd find that nice if You can colour him and place him somewhere, though
).
And very important thing - radar mast: it's upper and central part is octagonal, but lower part suddenly turns to be a square. Add the grey lines and shading to it, please.
Btw. - what are these yellow things below the bridge and rear RAM launcher? Because if they are what I think they are, there is no use for them there.