Device Assembly Facility
E539159
The Device Assembly Facility is a high-security complex at the Nevada National Security Site where nuclear weapons components are assembled, disassembled, and tested for reliability and safety.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Device Assembly Facility canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5697432 — 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: Device Assembly Facility Context triple: [Nevada National Security Site, contains, Device Assembly Facility]
-
A.
Assembly station
Assembly station is an MBTA rapid transit stop on Boston’s Orange Line that serves the Assembly Row mixed-use development in Somerville, Massachusetts.
-
B.
Vehicle Assembly Building
The Vehicle Assembly Building at Tanegashima Space Center is a large-scale facility where launch vehicles are vertically assembled, integrated with payloads, and prepared for space missions.
-
C.
Vehicle Assembly Building
The Vehicle Assembly Building is a massive NASA structure at Kennedy Space Center used to assemble and prepare large launch vehicles such as the Saturn V and Space Shuttle for space missions.
-
D.
Orion Assembly
Orion Assembly is a General Motors automobile manufacturing plant in Orion Township, Michigan, known for producing various GM models over the decades.
-
E.
Production Central
Production Central is a themed area at Universal Studios parks that serves as a Hollywood-style studio backlot hub featuring several major attractions and entertainment offerings.
- 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: Device Assembly Facility Target entity description: The Device Assembly Facility is a high-security complex at the Nevada National Security Site where nuclear weapons components are assembled, disassembled, and tested for reliability and safety.
-
A.
Assembly station
Assembly station is an MBTA rapid transit stop on Boston’s Orange Line that serves the Assembly Row mixed-use development in Somerville, Massachusetts.
-
B.
Vehicle Assembly Building
The Vehicle Assembly Building at Tanegashima Space Center is a large-scale facility where launch vehicles are vertically assembled, integrated with payloads, and prepared for space missions.
-
C.
Vehicle Assembly Building
The Vehicle Assembly Building is a massive NASA structure at Kennedy Space Center used to assemble and prepare large launch vehicles such as the Saturn V and Space Shuttle for space missions.
-
D.
Orion Assembly
Orion Assembly is a General Motors automobile manufacturing plant in Orion Township, Michigan, known for producing various GM models over the decades.
-
E.
Production Central
Production Central is a themed area at Universal Studios parks that serves as a Hollywood-style studio backlot hub featuring several major attractions and entertainment offerings.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
high-security complex
ⓘ
industrial building ⓘ nuclear weapons facility ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasAccessRestriction |
classified operations
ⓘ
restricted area ⓘ |
| hasEmergencyPreparedness |
radiological emergency response plans
ⓘ
security incident response plans ⓘ |
| hasEnvironmentalControl |
air filtration systems
ⓘ
contamination control systems ⓘ |
| hasFunction |
maintenance of nuclear weapons components
ⓘ
storage of nuclear weapons components ⓘ support for nuclear weapons life-extension programs ⓘ |
| hasInfrastructure |
blast-resistant structures
ⓘ
large assembly bays ⓘ radiological monitoring systems ⓘ secure storage vaults ⓘ |
| hasMission |
ensure reliability of the U.S. nuclear weapons stockpile
ⓘ
ensure safety of the U.S. nuclear weapons stockpile ⓘ |
| hasRegulator | Defense Nuclear Facilities Safety Board ⓘ |
| hasSafetyStandard |
nuclear safety regulations of the United States Department of Energy
ⓘ
radiation protection standards ⓘ |
| hasSecurity | high security ⓘ |
| hasTypeOfActivity |
non-nuclear explosive operations
ⓘ
nuclear component handling ⓘ |
| industry | nuclear weapons ⓘ |
| locatedIn | Nevada National Security Site ⓘ |
| locatedInAdministrativeTerritorialEntity |
Nevada
ⓘ
Nye County, Nevada ⓘ
linked to:
Nye County
|
| locatedInDesert | Nevada desert ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| locatedNear |
Frenchman Flat
ⓘ
Yucca Flat ⓘ |
| operator |
National Nuclear Security Administration
ⓘ
United States Department of Energy ⓘ
linked to:
U.S. Department of Energy
|
| ownedBy | United States government ⓘ |
| partOf | United States nuclear weapons complex ⓘ |
| significantProject | United States nuclear weapons stockpile stewardship ⓘ |
| subjectOf | United States nuclear security policy ⓘ |
| use |
assembly of nuclear weapons components
ⓘ
disassembly of nuclear weapons components ⓘ nuclear weapons reliability testing ⓘ nuclear weapons safety testing ⓘ testing of nuclear weapons components ⓘ |
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: Device Assembly Facility Description of subject: The Device Assembly Facility is a high-security complex at the Nevada National Security Site where nuclear weapons components are assembled, disassembled, and tested for reliability and safety.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.