Fallout, Fallout 2, Fallout: Tactics
The perk shows additional stats about enemies upon inspecting them.
The perk comes in two ranks, the first one shows an enemies' resistances while using V.A.T.S. The second one, becoming available with the Nuka-World add-on, grants additional damage and hit chance in V.A.T.S.
The perk has a single rank and functions in the same way as in Fallout 4, showing an enemies' resistances while using V.A.T.S.
Fallout: The Roleplaying Game
The perk enables usage of the Aim minor action, applying a Piercing damage effect to a target or a weapon.