US Covert Operations Manual
is a skill book in Fallout 4. The first issue of the magazine
will unlock a unique perk, while subsequent ones will upgrade it.
The perk will permanently make you harder to detect while sneaking. This guide will show you all US Covert Operations Manual magazine locations in Fallout 4
Covert Operations Manual #1: Squeaky Floorboards, Sudden Death
This issue can be found in Fort Hagen, in the western part of the map. It’s in the apartment in the eastern part of the building, on a bedside table next to the king-size bed.