Cheyenne Mountain Complex
E100556
Cheyenne Mountain Complex is a highly secure, hardened military installation built into Cheyenne Mountain in Colorado, historically known as a central command and control hub for North American air and space defense operations.
All labels observed (5)
How this entity was disambiguated
This entity first appeared as the object of triple T838904 — 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: Cheyenne Mountain Complex Context triple: [North American Aerospace Defense Command, undergroundAlternateCommandCenter, Cheyenne Mountain Complex]
-
A.
Fort Wainwright
Fort Wainwright is a major U.S. Army installation in interior Alaska that supports Arctic training and operations.
-
B.
Nevada Test and Training Range
The Nevada Test and Training Range is a vast U.S. Air Force training and bombing range in southern Nevada used for advanced military exercises and weapons testing.
-
C.
Pueblo Chemical Depot
Pueblo Chemical Depot is a U.S. Army installation in Colorado historically used for the storage and destruction of chemical weapons.
-
D.
White Sands Missile Range
White Sands Missile Range is a major U.S. Army testing facility in southern New Mexico known for missile and weapons testing and as the site of the first atomic bomb detonation.
-
E.
Nellis Air Force Base
Nellis Air Force Base is a major United States Air Force installation near Las Vegas known for advanced combat training exercises such as Red Flag and for hosting the USAF Warfare Center.
- 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: Cheyenne Mountain Complex Target entity description: Cheyenne Mountain Complex is a highly secure, hardened military installation built into Cheyenne Mountain in Colorado, historically known as a central command and control hub for North American air and space defense operations.
-
A.
Fort Wainwright
Fort Wainwright is a major U.S. Army installation in interior Alaska that supports Arctic training and operations.
-
B.
Nevada Test and Training Range
The Nevada Test and Training Range is a vast U.S. Air Force training and bombing range in southern Nevada used for advanced military exercises and weapons testing.
-
C.
Pueblo Chemical Depot
Pueblo Chemical Depot is a U.S. Army installation in Colorado historically used for the storage and destruction of chemical weapons.
-
D.
White Sands Missile Range
White Sands Missile Range is a major U.S. Army testing facility in southern New Mexico known for missile and weapons testing and as the site of the first atomic bomb detonation.
-
E.
Nellis Air Force Base
Nellis Air Force Base is a major United States Air Force installation near Las Vegas known for advanced combat training exercises such as Red Flag and for hosting the USAF Warfare Center.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Cold War military site
ⓘ
bunker ⓘ military installation ⓘ underground facility ⓘ |
| builtFor | North American Aerospace Defense Command ⓘ |
| constructionStartDate | 1961 ⓘ |
| controlledBy |
North American Aerospace Defense Command
ⓘ
U.S. Northern Command ⓘ
surface form:
United States Northern Command
|
| country |
United States of America
ⓘ
surface form:
United States
|
| designedToWithstand |
electromagnetic pulse
ⓘ
nuclear blast ⓘ |
| distanceFrom | about 10 kilometers southwest of Colorado Springs ⓘ |
| elevation | about 2,135 meters above sea level ⓘ |
| featuredIn | popular culture depictions of NORAD ⓘ |
| formerOperator |
North American Aerospace Defense Command
ⓘ
U.S. Space Command ⓘ
surface form:
United States Space Command
|
| garrison |
United States Air Force
ⓘ
United States Space Force ⓘ |
| hardenedAgainst |
biological attack
ⓘ
chemical attack ⓘ radiological attack ⓘ |
| hasAlternateName |
Cheyenne Mountain Complex
ⓘ
surface form:
Cheyenne Mountain Operations Center
Cheyenne Mountain Complex ⓘ
surface form:
Cheyenne Mountain Space Force Station complex
|
| hasFeature |
air filtration system
ⓘ
blast doors ⓘ independent power plant ⓘ independent water supply ⓘ shock-mounted buildings ⓘ underground tunnels ⓘ |
| inaugurationDate | 1966 ⓘ |
| locatedIn |
Cheyenne Mountain
ⓘ
Colorado ⓘ El Paso County, Colorado ⓘ United States of America ⓘ
surface form:
United States
|
| near | Colorado Springs, Colorado ⓘ |
| notableFor |
highly secure hardened construction
ⓘ
serving as NORAD command center ⓘ |
| operator | United States Air Force ⓘ |
| partOf |
Cheyenne Mountain Complex
self-linksurface differs
ⓘ
surface form:
Cheyenne Mountain Space Force Station
|
| primaryFunction |
air and space defense operations center
ⓘ
command and control center ⓘ missile warning center ⓘ |
| status | operational ⓘ |
| usedDuring | Cold War ⓘ |
| usedFor |
air defense monitoring
ⓘ
ballistic missile early warning ⓘ space surveillance ⓘ |
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: Cheyenne Mountain Complex Description of subject: Cheyenne Mountain Complex is a highly secure, hardened military installation built into Cheyenne Mountain in Colorado, historically known as a central command and control hub for North American air and space defense operations.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
North American Aerospace Defense Command
→
undergroundAlternateCommandCenter
→
Cheyenne Mountain Complex
ⓘ
this entity surface form:
Cheyenne Mountain Space Force Station
this entity surface form:
Cheyenne Mountain Space Force Station
this entity surface form:
Cheyenne Mountain Space Force Station
this entity surface form:
Cheyenne Mountain Operations Center
this entity surface form:
Cheyenne Mountain Space Force Station complex
this entity surface form:
NORAD entrance portal (Cheyenne Mountain Complex)
this entity surface form:
Cheyenne Mountain Space Force Station
this entity surface form:
Cheyenne Mountain Space Force Station