User blog comment:Bovell/"Call of Duty: Project Colossus" = Modern Warfare 3? + Micro-transaction Call of Duty for China in the works/@comment-174.254.85.199-20110510221418/@comment-1889554-20110511113031

If they added a blackbird-esque killstreak in MW3, it would probably be some type of millitary GPS device, or similar.