|The following is based on Fallout 3 cut content and has not been confirmed by canon sources.|
The schematics were cut from the final version of Operation: Anchorage, as the weapon was turned into a non-craftable item. A copy of the schematics can be found inside the map cell "TestPhil," which is only accessible via console commands but does not allow the player to make the trench knife, even if they are obtained.
The following items were planned to be required for building a trench knife:
Schematics - trench knifeEdit
At a workbench, combine:
A state of the art advance in the field of stealth combat and trench warfare!