Board Thread:Official Discussions/@comment-1824272-20140820074040/@comment-87.1.30.235-20140820094112

Well, with ACI down for maintenance it wouldn't be a bad idea... now that I think of it, I miss an "S rank" in a co-op mission, IIRC where you have to destroy the ICBM warheads. I tried using low level aircraft to use the bonus but I never achieved the highest rank. Shame on me.

~TLM