Ace Operator

Ace Operator is a perk in the Fallout 4 add-on Nuka-World.

Obtaining
This perk is obtained if the Operators do not betray you during the Power Play quest.

Effects
You deal 25% more damage with silenced weapons. Stealth is also increased in shadows to 10% less visibility, equivelant to half the effect per rank of the Sneak perk.

As it's a flat damage bonus, the order in which it's acquired has no effect on the Cloak & Dagger > Ninja 3 > Mister Sandman 3 damage multiplier calculation. It can be earned at any time with no change to the final damage bonuses.