Command Unit (Required) Bazooka Joe or Ranger Command Squad or Heavy Ranger Command Squad Combat Unit 1 (Required) Ranger Assault Squad or Ranger Attack Squad or Ranger Combat Squad Combat Unit 2 (Required) Heavy Ranger Attack Squad or Heavy Ranger Tank-Hunter Squad Combat Unit 3 (Required) Ranger Weapon Squad or Ranger Heavy Weapon Squad or Ranger Recon Squad Support Units (Optional) Combat Unit 1 to 3, and Ranger Sniper Squad and Ranger Observer Squad