Large Ship

Destroyer
Build costs
 * Fighting Strength: 5
 * Heavy Weapon: 1
 * Modules: 2
 * Base armor: 150
 * Base fighter bay capacity: 25
 * 30 ore.

The Frigate
build costs
 * Fighting strength: 10
 * Turret weapons 2
 * Heavy weapon: 2
 * Modules: 3
 * Base armor: 300
 * Base fighter bay capacity: 25
 * 240 ore.

Star Frigate
Build costs
 * Fighting strength: 10
 * Turret weapons 3
 * Heavy weapon: 3
 * Modules: 4
 * Base armor: 350
 * Base fighter bay capacity: 25
 * 1000 ore.

Research for large ships
Heavy Chassis Design