Kennedy Space Center Launch Complex 39B
E33424
Kennedy Space Center Launch Complex 39B is a historic NASA launch pad on Florida’s Space Coast, originally built for Apollo missions and later used for Space Shuttle launches and current Artemis program flights.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Kennedy Space Center Launch Complex 39B canonical | 67 |
| Launch Complex 39B | 19 |
| Launch Pad 39B | 7 |
| Kennedy Space Center LC-39B | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T249353 — 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: Kennedy Space Center Launch Complex 39B Context triple: [NASA Space Shuttle program, primaryLaunchSite, Kennedy Space Center Launch Complex 39B]
-
A.
Kennedy Space Center Launch Complex 39A
Kennedy Space Center Launch Complex 39A is a historic Florida launch pad used for major U.S. crewed space missions, including Apollo Moon landings, Space Shuttle flights, and current SpaceX Falcon 9 and Falcon Heavy launches.
-
B.
Kennedy Space Center
Kennedy Space Center is NASA’s primary launch complex for human spaceflight and robotic missions, located on Florida’s Atlantic coast.
-
C.
Cape Canaveral
Cape Canaveral is a prominent headland on Florida’s Atlantic coast best known as a major center for U.S. space launches and aerospace activities.
-
D.
Stennis Space Center
Stennis Space Center is NASA’s primary rocket engine testing facility, located in southern Mississippi and crucial to the development and certification of propulsion systems for U.S. space missions.
-
E.
Johnson Space Center
Johnson Space Center is NASA’s primary hub for human spaceflight operations, astronaut training, and mission control in Houston, Texas.
- 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: Kennedy Space Center Launch Complex 39B Target entity description: Kennedy Space Center Launch Complex 39B is a historic NASA launch pad on Florida’s Space Coast, originally built for Apollo missions and later used for Space Shuttle launches and current Artemis program flights.
-
A.
Kennedy Space Center Launch Complex 39A
Kennedy Space Center Launch Complex 39A is a historic Florida launch pad used for major U.S. crewed space missions, including Apollo Moon landings, Space Shuttle flights, and current SpaceX Falcon 9 and Falcon Heavy launches.
-
B.
Kennedy Space Center
Kennedy Space Center is NASA’s primary launch complex for human spaceflight and robotic missions, located on Florida’s Atlantic coast.
-
C.
Cape Canaveral
Cape Canaveral is a prominent headland on Florida’s Atlantic coast best known as a major center for U.S. space launches and aerospace activities.
-
D.
Stennis Space Center
Stennis Space Center is NASA’s primary rocket engine testing facility, located in southern Mississippi and crucial to the development and certification of propulsion systems for U.S. space missions.
-
E.
Johnson Space Center
Johnson Space Center is NASA’s primary hub for human spaceflight operations, astronaut training, and mission control in Houston, Texas.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
rocket launch pad
ⓘ
spaceport infrastructure ⓘ |
| adjacentTo | Kennedy Space Center Launch Complex 39A ⓘ |
| commissionedFor | Apollo 10 backup launch capability ⓘ |
| configuredAs | clean pad ⓘ |
| connectedBy | crawlerway ⓘ |
| constructionStart | 1960s ⓘ |
| country | United States of America ⓘ |
| designedFor | mobile launcher operations ⓘ |
| hasFeature |
fixed service structure
ⓘ
flame trench ⓘ lightning protection system ⓘ pad perimeter roadways ⓘ sound suppression system ⓘ water deluge system ⓘ |
| hasLaunchPadNumber | 39B ⓘ |
| historicDesignation | historic NASA launch pad ⓘ |
| locatedIn |
Brevard County
ⓘ
surface form:
Brevard County, Florida
Merritt Island ⓘ |
| locatedOn |
Space Coast
ⓘ
surface form:
Florida’s Space Coast
|
| nearbyBodyOfWater | Atlantic Ocean ⓘ |
| notableLaunch |
Apollo 10
ⓘ
surface form:
Apollo 10 (backup pad role)
Apollo–Soyuz Test Project backup role ⓘ Ares I-X test flight ⓘ Artemis I ⓘ STS-115 ⓘ STS-51L ⓘ
surface form:
STS-51L Challenger mission (originally scheduled from 39B, later moved)
Skylab program ⓘ
surface form:
Skylab missions
STS ⓘ
surface form:
Space Shuttle STS missions
|
| operator | NASA ⓘ |
| originallyBuiltFor | Apollo program ⓘ |
| ownedBy | United States government ⓘ |
| partOf |
Kennedy Space Center
ⓘ
Launch Complex 39 ⓘ |
| primaryUse | heavy-lift launch vehicle missions ⓘ |
| reconfiguredFor | Space Launch System ⓘ |
| servedBy | crawler-transporter ⓘ |
| status | active ⓘ |
| supportsLaunchVehicle |
Saturn IB
ⓘ
Saturn V ⓘ Space Launch System ⓘ Space Shuttle ⓘ |
| usedFor |
crewed lunar missions (program-level role)
ⓘ
uncrewed test flights ⓘ |
| usedForProgram |
Apollo program
ⓘ
Apollo–Soyuz Test Project ⓘ Artemis program ⓘ Constellation program ⓘ Skylab program ⓘ NASA Space Shuttle program ⓘ
surface form:
Space Shuttle program
|
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: Kennedy Space Center Launch Complex 39B Description of subject: Kennedy Space Center Launch Complex 39B is a historic NASA launch pad on Florida’s Space Coast, originally built for Apollo missions and later used for Space Shuttle launches and current Artemis program flights.
Referenced by (99)
Full triples — surface form annotated when it differs from this entity's canonical label.
Atmospheric Laboratory for Applications and Science 2
→
launchSite
→
Kennedy Space Center Launch Complex 39B
ⓘ
this entity surface form:
Launch Complex 39B
this entity surface form:
Launch Complex 39B
this entity surface form:
Kennedy Space Center LC-39B
this entity surface form:
Launch Complex 39B
subject surface form:
NASA
this entity surface form:
Launch Complex 39B
subject surface form:
NASA
subject surface form:
Space Shuttle Discovery
launch-on-need rescue mission STS-400
→
plannedLaunchSite
→
Kennedy Space Center Launch Complex 39B
ⓘ
subject surface form:
STS-400
Hubble Space Telescope Servicing Mission 3A
→
launchSite
→
Kennedy Space Center Launch Complex 39B
ⓘ
this entity surface form:
Launch Complex 39B
subject surface form:
NEA Scout
this entity surface form:
Kennedy Space Center LC-39B
this entity surface form:
Kennedy Space Center LC-39B
this entity surface form:
Launch Complex 39B
this entity surface form:
Launch Complex 39B
this entity surface form:
Launch Pad 39B
subject surface form:
ArgoMoon
subject surface form:
EQUULEUS
this entity surface form:
Kennedy Space Center LC-39B
this entity surface form:
Launch Pad 39B
this entity surface form:
Launch Complex 39B
this entity surface form:
Launch Pad 39B
subject surface form:
Vehicle Assembly Building
this entity surface form:
Launch Pad 39B
Kennedy Space Center Vehicle Assembly Building
→
adjacentTo
→
Kennedy Space Center Launch Complex 39B
ⓘ
this entity surface form:
Launch Pad 39B
this entity surface form:
Launch Complex 39B