Usually used to defend the flagships, the Nelsadornian Battle Cruiser is a fairly small but heavy armored destroyer. 
Although fairly small, it is equipped with a hyperdrive for long distance missions.

Weaponry:
4 Light plazma turrets on the bottom.
8 Heavy plazma turrets with 6 on the top and 2 on the bow. 
1 Supercharged gamma ray cannon.

Primary Defence:
Supercharged static forcefield.


Important: Use the Flow's HD Resource Pack: http://www.resource-packs.com/flows-hd-resource-pack/ so the build doesn't make you barf since it's mostly made from bedrock.