===== War Machines =====

  * WAR_MACHINE_AMMO_CART = 4 --- **Ammo Cart**
  * WAR_MACHINE_BALLISTA = 1 --- **Ballista**
  * WAR_MACHINE_CATAPULT = 2 --- **Catapult**
  * WAR_MACHINE_FIRST_AID_TENT = 3 --- **First Aid Tent**