Special Missions HQ - Splinter Cell: Blacklist Guide - IGN

Begin Special Missions HQ by tailing the General around the former embassy. Stick to the shadows and use the side of the building as a climbable path around

Why can't I get the undetected badge on these 2 missions? I know it might be impossible on special missions hq, but not for abandoned mill? I went unseen the whole time.

Special Missions HQ - Splinter Cell: Blacklist Guide - IGN

Site F - Splinter Cell: Blacklist Guide - IGN

Splinter Cell: Blacklist Walkthrough The Beginning

Splinter Cell Blacklist: Perfectionist Walkthrough Part 8 - Transit Yards

Splinter Cell: Blacklist Walkthrough The Beginning

Special Missions HQ - Splinter Cell: Blacklist Guide - IGN

Special Missions HQ - Splinter Cell: Blacklist Guide - IGN

Splinter Cell Blacklist Gameplay Walkthrough Part 7 - Border Crossing