How to go into the Dark Aether solo, loot classified and legendary items and get out alive in Call of Duty MW3 Zombies.

Act 4 story mission guide:    • COD MW3 Zombies, Bad Signal Solo miss...  
Unlocking Dark Aether:    • COD MW3 Zombies, How to unlock the Da...  

00:00 Preparation
04:30 Into the Dark Aether
04:50 Aether Extrator Contract
08:04 Outlast Contract
11:02 Escort Contract (failed)