Defence

Defence never leaves home. Every emplacement stands on the colony that built it and answers any raid that arrives, alongside whatever ships sit in the hangar — how the fight then runs is the same resolver for wall and fleet alike. Downed emplacements can stand back up after a battle, and they never leave debris for an attacker to sweep — a wall is cheap to hold compared to hulls in flight.

The Membrane and the Carapace are domes over the whole colony. The Antibody exists for one job: shooting down the Pathogen, the missile that strikes colonies from afar.

Batteries

	Name	Cost	Weapon	Shield	Hull	What it does
	Thorn	2,000 Iron	80	20	200	The cheapest gun — fodder that soaks the first volley.
	Barb	1,500 Iron, 500 Carbon	100	25	200	A quick light beam that scales the wall cheaply.
	Spine	6,000 Iron, 2,000 Carbon	250	100	800	A focused beam for burning through fighter armor.

Heavy batteries

	Name	Cost	Weapon	Shield	Hull	What it does
	Tusk	20,000 Iron, 15,000 Carbon, 2,000 Hydrogen	1,100	200	3,500	Magnetically hurled shells that crack cruisers open.
	Stinger	5,000 Iron, 3,000 Carbon	150	500	800	Ion bursts that strip shields and hold the line.
	Spitter	50,000 Iron, 50,000 Carbon, 30,000 Hydrogen	3,000	300	10,000	The heaviest emplacement — battleship-killing plasma.

Shields

	Name	Cost	Weapon	Shield	Hull	What it does
	Membrane	10,000 Iron, 10,000 Carbon	1	2,000	2,000	One dome absorbing fire over the whole colony.
	Carapace	50,000 Iron, 50,000 Carbon	1	10,000	10,000	The wide dome — an order more absorption.

Missiles

	Name	Cost	Weapon	Shield	Hull	What it does
	Antibody	8,000 Iron, 2,000 Hydrogen	1	1	800	Intercepts incoming interplanetary missiles.
	Pathogen	12,500 Iron, 2,500 Carbon, 10,000 Hydrogen	12,000	1	1,500	Strikes the defenses of foreign worlds directly.