Nuclear launch codes are a miscellaneous item in Fallout 76, introduced in the Nuclear Winter update.
Characteristics[]
Nuclear launch codes are pre-War codes needed to launch nukes in the Nuclear Winter battle royale game mode. Four codes are required before launching a nuke with a nuke briefcase.
All nuclear launch codes obtained are destroyed upon a player character's death.
Locations[]
Nuclear launch codes are only found in the Nuclear Winter battle royale mode. They can be found in small and medium supply crates and on any fallen AI enemy.