There's no excuse for weak spaceship design when there so much reference material online. Steal from classics, learn from classics, become next classic:
Perspective/field of vision has always been my weak point when it came to drawing. I thank you for your critique and will pay more attention to it in my future works
from the angle of the drawing (which seems to be looking down on it from above the rear) the rear rockets should be visible (or whatever propulsion source, or some shape to taper it off) not just a flat line.
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Ill definately study them