That's not terrible, but the wings stick out just a bit too much. Slightly shorter, slightly down swept wings with inbuilt engines like the sekhmet model might work well.
Also, if we go with the dome style bridge, I think it should be a half-circle of windows at most, and blend backwards into the hull, that would look more fitting for a small ship like a gunboat.
Iris says she'll have some basic shapes concepted up for us in a few days.