at some Point you get the Side Op “82: Make Contact with Emmerich” or you enter the Aabe Shifap Ruins
here the Episode 11 – Cloaked in Silence starts.
Mission checklist:
- Eliminated Quiet (or extract her)
- Determined what to do with Quite
- Neutralized Quite wihtout hitting her with pethal weapons
- Neutralized Quite with non-firearm attacks
to complete these Objectives just hit her two times with a supply pack. If you kill her you miss two Achievements: Speechless and War Buddy