Nuclear Weapons

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If you don't know what an atomic bomb is, then imagine the worst thing possible. Atomic bombs were worse than that.

Vault Dweller's memoirs

A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission or a combination of fission and fusion. Both reactions release vast quantities of energy from relatively small amounts of matter; a modern thermonuclear weapon weighing little more than a thousand kilograms can produce an explosion comparable to the detonation of more than a billion kilograms of conventional high explosive.

Pre divergence编辑

Nuclear weapons were first used on the Japanese cities of Nagasaki and Hiroshima in August 1945 at the end of the Second World War. These two explosions could be seen as the start of the eventual end of the modern world that would come 132 years later, because it set a dangerous example for humanity that would come after this, that a war could be ended with nuclear weapons. The atomic bomb, a purely fission-based weapon, and the hydrogen bomb, a fission-fusion thermonuclear weapon, were both developed in the Fallout universe, with hydrogen bombs being considerably more dangerous because of the sheer size of their explosive yields.

Post divergence编辑

In the Fallout world, megaton-class thermonuclear weapons had largely been retired by the major nuclear powers in favor of much smaller-yield warheads by the time of the Great War. An average strategic warhead in 2077 (with a few exceptions, such as the weapons which fell on Washington D.C.) had a yield of about 200-750 kilotons, but with a massive increase in radioactive fallout in place of thermal shock, much like a neutron bomb in our own world. However, despite the apparent reduction in raw explosive power, this arsenal was far more dangerous to the Earth's ecosystem, as it deposited far greater amounts of fallout in the atmosphere than had been assumed by pre-War models.[1]

China, the United States of America, the Soviet Union, the European Commonwealth's member states and other countries around the world possessed massive nuclear stockpiles, which they were unafraid to use.[2] A large amount of nuclear weapons were used during the Great War, and many electronics were mangled by the EMP that resulted from their explosions.



In Fallout, the Glow is testament to the horror of nuclear war, a radioactive hellhole destroyed by a direct nuclear hit. In the same game, the Vault Dweller also discovers an unused nuke sitting in the Master's vault, to be used as last resort against an undefeatable enemy.

Fallout 2编辑

A nuclear bomb also rests on the Enclave Oil Rig, and is, once again, used to obliterate the main enemy of the game (detonated by an explosion of the on-board nuclear reactor).

Fallout 3编辑

Nuclear weapons feature prominently in Fallout 3, in the form of a C-23 Megaton[3] - Megaton's nuke, the Fat Man and its unique variant, the experimental MIRV, which are two tactical nuclear catapults, a bunker full of nuclear bombs, Vertibirds with nuclear carpet bombs, Liberty Prime's inexhaustible backpack arsenal of medium-sized bombs, various orbital weapons platforms such as Highwater-Trousers, and Bradley-Hercules - the Enclave-controlled satellite which destroys Liberty Prime in the Broken Steel add-on. Equally, near Fort Constantine, the PC has the ability to launch a Ballistic missile from a concrete silo, via a computer terminal, to an unmarked destination.

Fallout: New Vegas编辑

Template:FNVWW The C-23 Megaton returned in Fallout: New Vegas in the form of an unexploded atomic nuke called The One, which can be found slightly north-west of the Devil's Throat. Template:FNVWW

The Fat Man also returned in Fallout: New Vegas, it can be purchased from Torres, a merchant in the Hidden Valley Bunker.

In Lonesome Road many nuclear weapons are scattered throughout the Divide namely in an old missile silo. There are also some un-detonated warheads scattered around in the divide that can be detonated using a Laser detonator. For more info see the page: Lonesome Road

Fallout Tactics编辑

Mini-FOT Logo.png以下内容基於輻射戰略版,因而一些細節可能與正史相沖突。

A nuclear ICBM warhead appears first (called Plutonius) in Kansas City, worshiped by a ghoul cult. It is later used to gain entrance to Cheyenne Mountain installation, the Vault 0.

Fallout: Brotherhood of Steel编辑


A nuclear device also rests on the Secret Vault, as an emergency decontamination procedures (a self-destruct system) if the Vault started to become too dangerous. A special monorail located in the first complex of the laboratories section should be used to evacuate the vault dwellers quickly to a secret exit in the mountains. The Initiate activates it to obliterate all of its researches and all of the experimental deathclaws, radbugs, super mutants, robots, and the heavily mutated Attis, destroying both the Secret Vault and the city of Los.

Van Buren编辑


The B.O.M.B.-001 space station, the endgame location, was an orbital ballistic missile launch platform, that Victor Presper wanted to use to reshape the world as he envisioned it.


The yield of the weapons in the games is never explicitly given. While it is stated that entire continents were scorched by nuclear weapons, their effects in the game are not even remotely similar to that description. Therefore, ten thousand or more nukes may have devastated the land.

The way the weapons are portrayed in the games is inconsistent; in the classic Fallout games, nuclear weapons are feared, respected, and exceedingly rare (not to mention that arguably the most intelligent being in the Fallout world, the Master, is unwilling to unleash the power of the atom again). In Fallout 3 nuclear weapons are commonplace and devoid of their traits from previous games. You can detonate a city with a nuclear bomb in the first few hours of the game, blow up cars in nuclear explosions and carry a personal tactical nuclear launcher.

However, the Fat Man fires a "mini" nuke, with a smaller yield. The Megaton bomb was quite destructive, and it is likely there were many more than one bomb dropped on the U.S. so the scale of the explosion is accurate while the lack of craters is not. This could be explained by the difficulty of changing the world map significantly.

The term nuke is also, in the Fallout Universe, a generic name for anything that resembles a missile. When Liberty Prime is destroyed in Fallout 3, there is no radioactive fallout, nor is there a scorched blast zone or mushroom cloud—the explosion is tiny in comparison to an real nuclear weapon. The same can be said about the Mobile Base Crawler in the Broken Steel add-on when it is destroyed by an orbital strike—again, there was just an explosion, and no radioactive, flaming byproducts of a nuclear detonation. This may indicate the missiles aboard B.O.M.B.-001 or other orbital platforms were not actually primed with warheads, but were missiles waiting to be armed.

Another inconsistency with Fallout 3's nuclear missile theory is the shape of the actual weapons themselves. Some, like the one within Megaton are 1940s "Fat Man" atomic bombs: powerful, but were quickly surpassed by even stronger thermonuclear (or "hydrogen") weapons, which were not barrel-shaped but were more streamlined in appearance.

There are the more 'ballistic' missiles—the converted "space shuttles"—that are launched from concrete silos (like the one outside Fort Constantine) or submarines (like the Chinese SSN-37-1A).

It seems unlikely that the USAF would opt for both vertical-dropped and silo-launched nuclear weapons, since the latter are much more secure and accurate. The vertical-dropped bombs are not computerized and must rely upon bomber aircraft to be deployed. Ballistic missiles are launched via computer terminals and follow pre-set trajectories. Some nations, (like cold-war Great Britain) had only bomber aircraft and submarines to deliver their nuclear weapons. The United States, however, had silos and did not require bomber aircraft. In other words, if a nation had the option of silos and ballistic missiles, they'd opt for those rather than the cumbersome vertical-drop technique.


Nuclear weapons appear in all Fallout games.


  1. Fallout manual, Page 1-7
  2. Developers discussed a smaller nuclear war between the UK and the Middle East
  3. Texture file