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This is an overview article which contains background information and cross-game comparisons. For game-specific information and stats, see the articles linked on the right.
Gameplay articles
Fallout 3Fat Man
Experimental MIRV
Fallout: New VegasFat Man
Esther Gametitle-FNV GRA
Fat Man (GRA) Gametitle-FNV GRA
Fallout 4Fat Man
Big Boy
The Striker Gametitle-FO4 FH
Nuka-nuke launcher Gametitle-FO4 NW
Fallout 76Fat Man
Daisycutter
MIRV launcher
The Guarantee Gametitle-FO76 WA
Fallout ShelterFat Man
Fallout: The Board GameFat Man
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The Fat Man is perhaps the most devastating infantry weapon ever unleashed upon the modern battlefield - a hand-held catapult that launches portable nuclear bombs.Fallout 4 loading screen hints

The M42 "Fat Man" Launcher[1] is a shoulder-fired, catapult weapon system that launches tactical nuclear ordnance, the "mini nuke". It appears in Fallout 3, Fallout: New Vegas, Fallout 4, Fallout 76, Fallout Shelter and Fallout: The Board Game.

BackgroundEdit

The M42 Fat Man was developed at Fort Strong near Boston, Massachusetts. Development began in February 2076, with the goal being the development of a man-portable tactical nuclear launcher easy enough for use by troops on the ground, to destroy reinforced and entrenched positions.[2][3] Problems manifested instantly, as warheads were simply too heavy to clear the blast radius fast enough to provide safety for the operator. Even stripping them to the minimal possible size failed to produce an acceptable effect. Instead, the development team decided to increase the power of the launcher unit, even considering using railgun technology to accelerate the warhead. The notion was largely academic, as it would require for the overburdened soldier to carry an additional power pack the size of a suitcase and turn the Fat Man into a crew-served weapon.[4] Concurrent development ran on the MIRV version of the launcher. Live-fire testing claimed lives, in fact, with two soldiers killed during a test. No remains were recovered and the commanding officer in charge of the project, General Brock, covered up the incident, ordering his subordinates to send sand packed in an urn to their relatives.[5]

The project hit a breakthrough in December 2076,[6] when the project lead discovered a solution for the launcher problems. Six hours, fourteen cups, and one concerned night shift lab crew later, the future M42 launcher was conceptualized: Based on the spigot mortar mechanism, the launcher would only have to accommodate a firing through and system, relying on mechanical launching, rather than chemical or electrical means. Much like the 130 year old PIAT launcher, the Fat Man warhead would be propelled by a sub-charge embedded inside the warhead, "catapulting" the warhead through the air to the target - giving plenty of range with the added bonus of not producing a smoke trail that could reveal the firing team to the enemy.[7]

By September 2077,[8] after one hundred test firings the weapon were complete and ready to be shipped to units overseas. A large number of units was manufactured and shipped together with the appropriate warheads to select locations throughout the United States.[9]

VariantsEdit

Fat ManEdit

Fat Man

The M42 Fat Man is an effective area of effect weapon, allowing a person to bombard a large area with good precision and deadly force. It uses a mini nuke for ammunition which when fired, results in a small nuclear blast.

Experimental MIRVEdit

Fat Man
Gameplay articles: Fallout 3, Fallout 4, Fallout 76

Named for the multiple independently targetable reentry vehicle (MIRV) ballistic missile payload, this variant, the experimental MIRV fires 8 mini nukes at once instead of 1, making it more powerful and with a bigger blast radius, at the cost of losing 8 mini nukes at once.

EstherEdit

Esther
Gameplay article: Gun Runners' Arsenal

Esther is a unique Fat Man with a different firing mechanism, a blast shield, a light-blue body, and a thick glass or plastic bed holding the mini nukes. It weighs 10 pounds more than a standard Fat Man, but does not jam, and is more powerful.

The StrikerEdit

The Striker
Gameplay article: Far Harbor

The Striker was made by the employees of Beaver Creek Lanes for Thomas Davis, a former league champion that became handicapped after a battle injury. The Striker was meant to serve as a tool for Davis to launch bowling balls even though he had lost use his legs. It doesn't launch nukes but modified bowling balls.

Nuka-nuke launcherEdit

FO4NW Nuka-Nuke launcher
Gameplay article: Nuka-World

This unique Fat Man was hidden by John-Caleb Bradberton, the inventor of Nuka-Cola in Nuka-World. Instead of regular mini nukes it launches Nuka-nukes, a specially modified, quantum-enhanced version with increased explosive power.

Behind the scenesEdit

  • The names of Fat Man and Little Boy are references to the code names of the atomic bombs dropped by the United States on Japan during World War II: Little Boy was dropped on Hiroshima while Fat Man was dropped on Nagasaki. For this reason, the weapon's name has been renamed as the Nuka Launcher in the Japanese translation of both Fallout 3 and Fallout: New Vegas due to its relation to Japanese history. However, the Little Boy modification still retains its name.
  • The bell heard after reloading is actually the lunch bell at Bethesda.[10]
  • The designation M42 is shared with a couple of other pieces of military equipment, such as the M42 Duster SPAA gun and the M42 submachine gun. The only comparable weapon, the Davy Crockett miniature nuclear launch device, is designated as M-28/M-29.

GalleryEdit

References

  1. Both of Fort Strong's terminals and Private Murnahan's holotape refer to the design as the "M42 "Fat Man" Launcher."
  2. Fort Strong terminals; Bravo Team Testing Terminal, Bravo Team M42 Report 001
  3. Fort Strong terminals; General Brock's Terminal, General Brock's Report - February 2076
  4. Fort Strong terminals; Bravo Team Testing Terminal, Bravo Team M42 Report 002
  5. Fort Strong terminals; Bravo Team Testing Terminal, Bravo Team M42 Report 003
  6. Fort Strong terminals; General Brock's Terminal, General Brock's Report - December 2076
  7. Fort Strong terminals; Bravo Team Testing Terminal, Bravo Team M42 Report 004
  8. Fort Strong terminals; General Brock's Terminal, General Brock's Report - September 2077
  9. Fort Strong terminals; Bravo Team Testing Terminal, Bravo Team M42 Report 005
  10. GameInformer magazine article on Fallout 3 trivia.
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