[Atrocities]

I am thinking along the lines of something simple:

Scout
Escort
Corvette
Frigate
Destroyer
Light Cruiser
Cruiser
Battle Cruiser
Battleship
Dreadnought
Juggernaut
Baseship

Outpost
Shipyard
Space Station
Base or battle Station
Starbase

Transport Small
Transport Medium
Transport Large

Troop Transport Light
Troop Transport Armored
Troop Transport Heavy Armored

Colony Ship
Colony Ship Large

Barge

Infantry
Heavy Infantry

Mechinized Armor Small
Mechinized Armor Medium
Mechinized Armor Large
Mechinized Armor Heavy

Fighter Small
Fighter Medium
Fighter Large
Fighter Heavy

Weapon Platform Basic
Weapon Platform Armored
Weapon Platform Heavy Armored