First things first, Crash Site is an Open Combat Mission, giving you a wealth of different options when it comes to handling situations. Choose a stealthy approach or go in all guns blazing. click to enlarge. + 3. Credit: Screengrab via Activision. Saboteur is the 4th Tier 3 mission in Call of Duty: Modern Warfare 3 (MW3) Zombies Mode. Read on to learn how to shoot down an enemy helicopter and how to exfil with the Uncommon Aether Tool Plans. One of Call of Duty: Modern Warfare 3's biggest new gimmicks is its Open Combat Missions, but they just really don't feel all that great to play. Spore Control The Spore Control contract is a The first act of Modern Warfare Zombies' story missions will conclude with players deploying to a Terminus Outcomes mercenary base to extract Dr. Jansen - a researcher who has been working for w2vo31.