Front armor looks good. You dont really need the side facing shields at the front though turn them forward. Also remove about half the reactors and move the others closer to the shields/weapons. Delete all ammo stoarge and at least 2 missile factories and 4 missile silos. Should be much slicker then. Also try to use the 2x1 armor at all times instead of the 1x1 armor.
I did a quick and dirty job. Could use more shields for the front and can probably be pulled together more, lots of empty space. Hope this helps 😉 For some inspiration look here Link