Mariposa Military Base
E1009903
Mariposa Military Base is a pre-war U.S. military installation in the Fallout universe, infamous as the site where the Forced Evolutionary Virus experiments led to the creation of the Brotherhood of Steel and many of the setting’s super mutants.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mariposa Military Base canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12911832 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mariposa Military Base Context triple: [Brotherhood of Steel, originLocation, Mariposa Military Base]
-
A.
Matienzo Base
Matienzo Base is an Argentine Antarctic research station that operates seasonally during the summer months, supporting scientific and logistical activities on the Antarctic Peninsula.
-
B.
Aliamanu Military Reservation
Aliamanu Military Reservation is a U.S. Army installation in Hawaii that provides housing, support facilities, and services for military personnel and their families.
-
C.
Santa Lucía Air Force Base
Santa Lucía Air Force Base is a major Mexican military air installation that serves as a key operational hub for the Mexican Air Force.
-
D.
Tapa Army Base
Tapa Army Base is a major Estonian military installation that hosts NATO’s Enhanced Forward Presence battlegroup and serves as a key hub for allied defense on NATO’s eastern flank.
-
E.
Soto Cano Air Base
Soto Cano Air Base is a U.S. military installation in Honduras that serves as a key regional hub for Joint Task Force-Bravo’s operations, including humanitarian assistance, disaster relief, and security cooperation in Central America.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mariposa Military Base Target entity description: Mariposa Military Base is a pre-war U.S. military installation in the Fallout universe, infamous as the site where the Forced Evolutionary Virus experiments led to the creation of the Brotherhood of Steel and many of the setting’s super mutants.
-
A.
Matienzo Base
Matienzo Base is an Argentine Antarctic research station that operates seasonally during the summer months, supporting scientific and logistical activities on the Antarctic Peninsula.
-
B.
Aliamanu Military Reservation
Aliamanu Military Reservation is a U.S. Army installation in Hawaii that provides housing, support facilities, and services for military personnel and their families.
-
C.
Santa Lucía Air Force Base
Santa Lucía Air Force Base is a major Mexican military air installation that serves as a key operational hub for the Mexican Air Force.
-
D.
Tapa Army Base
Tapa Army Base is a major Estonian military installation that hosts NATO’s Enhanced Forward Presence battlegroup and serves as a key hub for allied defense on NATO’s eastern flank.
-
E.
Soto Cano Air Base
Soto Cano Air Base is a U.S. military installation in Honduras that serves as a key regional hub for Joint Task Force-Bravo’s operations, including humanitarian assistance, disaster relief, and security cooperation in Central America.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
fictional military base
ⓘ
location in the Fallout universe ⓘ |
| accessMethodInFallout | overworld map location in northern California ⓘ |
| appearsIn |
Fallout
NERFINISHED
ⓘ
Fallout 2 NERFINISHED ⓘ Fallout Bible (lore material) NERFINISHED ⓘ |
| associatedWithFaction | The Master’s super mutants NERFINISHED ⓘ |
| associatedWithOrganization |
Brotherhood of Steel
NERFINISHED
ⓘ
U.S. Army NERFINISHED ⓘ West Tek (via FEV research) NERFINISHED ⓘ |
| connectedToCharacter |
Captain Roger Maxson
NERFINISHED
ⓘ
The Master (Richard Grey) NERFINISHED ⓘ Vault Dweller NERFINISHED ⓘ |
| country | United States of America (pre‑War) NERFINISHED ⓘ |
| designedBy | Interplay Entertainment (original Fallout developers) NERFINISHED ⓘ |
| event |
creation of the Brotherhood of Steel from mutineer survivors
ⓘ
mutiny by U.S. soldiers against FEV experiments ⓘ post‑War exploration by the Vault Dweller ⓘ release of FEV leading to super mutant creation ⓘ |
| fictionalUniverse | Fallout NERFINISHED ⓘ |
| firstAppearanceWork | Fallout (1997 video game) NERFINISHED ⓘ |
| firstAppearanceYearRealWorld | 1997 ⓘ |
| gameplayRole |
major late‑game dungeon in Fallout
ⓘ
quest location in Fallout 2 ⓘ |
| hasInteriorFeature |
FEV vats
ⓘ
automated defenses ⓘ multiple underground levels ⓘ super mutant presence (post‑War) ⓘ |
| inUniverseTechnology |
advanced computer systems controlling security
ⓘ
power armor storage and deployment ⓘ |
| knownFor |
Forced Evolutionary Virus experiments
ⓘ
origin of many super mutants ⓘ origin of the Brotherhood of Steel ⓘ |
| locatedInUniverseRegion | California GENERATED ⓘ |
| loreSignificance |
central to the history of super mutants in Fallout
ⓘ
key site in the early post‑War West Coast narrative ⓘ origin point of the Brotherhood of Steel ideology ⓘ |
| operatedBy | U.S. military (pre‑War) NERFINISHED ⓘ |
| primaryFunctionPreWar |
research facility for the Forced Evolutionary Virus
GENERATED
ⓘ
top‑secret military installation GENERATED ⓘ |
| researchOutcome |
creation of other FEV mutants
ⓘ
creation of super mutants ⓘ |
| researchSubject | Forced Evolutionary Virus NERFINISHED ⓘ |
| securityLevel | top secret ⓘ |
| statusPostWar | ruined facility ⓘ |
| threatLevelInGame | high‑level enemies and hazards ⓘ |
| timePeriod |
Post‑War era
ⓘ
Pre‑War era ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Mariposa Military Base Description of subject: Mariposa Military Base is a pre-war U.S. military installation in the Fallout universe, infamous as the site where the Forced Evolutionary Virus experiments led to the creation of the Brotherhood of Steel and many of the setting’s super mutants.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.