Nuka-Cola vending machine (Fallout 3)

 is a world object in Fallout 3.

Characteristics
These new model vending machines are special respawning containers that contain Nuka-Cola, bottle caps, or Nuka-Cola Quantum. The contents are randomized the first time a player enters a cell containing the vending machine, at which point the wave form collapses and the vending machine's contents are defined for the rest of the game using that character. Saving before entering new areas allows for re-rolling the contents of the vending machine to generate the desired contents. The chances are as follows:
 * 100% chance for one (1) regular Nuka-Cola.
 * 75% chance for a second regular Nuka-Cola.
 * 10% chance for a random amount of bottle caps (single digits; roughly 11% of the time it will spawn 9 caps).
 * 10% chance for a single Nuka-Cola Quantum.

As such, there's roughly 0.0625% chance for a vending machine with all of these contents to spawn and a one in ten chance for a Quantum.

Players can also purchase a pristine Nuka-Cola machine for their Megaton or Tenpenny Tower housing.

Locations
There are 152 of them in the base game.