So I watched the 25 minutes of gameplay for Aliens: Fireteam (on IGN's YouTube channel) and noticed that both the Drone and the Warrior are special units. But I thought Alien had
Alien Collection - Xenomorph Special Edition Set - Warrior, Drone, & Runner 48242313151 | eBay
John Rambo vs Xenomorph (Drone or Warrior) by Pyro-raptor on DeviantArt