LC-39B
E40503
LC-39B is a launch pad at NASA’s Kennedy Space Center that has supported major crewed and uncrewed space missions, including Space Shuttle flights and later Space Launch System operations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| LC-39B canonical | 10 |
How this entity was disambiguated
This entity first appeared as the object of triple T310161 — 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: LC-39B Context triple: [Space Shuttle Challenger disaster, launchPad, LC-39B]
-
A.
Saturn V
Saturn V was a powerful American heavy-lift launch vehicle used during the Apollo and Skylab programs to send astronauts and payloads into space, including missions to the Moon.
-
B.
Falcon 9 rocket
The Falcon 9 rocket is a partially reusable, two-stage orbital launch vehicle developed by SpaceX that has revolutionized commercial spaceflight through frequent, cost-effective missions and routine booster landings.
-
C.
Atlas-Centaur
Atlas-Centaur was an American expendable launch vehicle family that combined an Atlas booster with a high-energy Centaur upper stage to send payloads, including early interplanetary probes, into space.
-
D.
Falcon 1 rocket
Falcon 1 rocket is a small, privately developed orbital launch vehicle created by SpaceX that became the first privately built liquid-fueled rocket to reach orbit.
-
E.
Starliner spacecraft
The Starliner spacecraft is Boeing’s crewed space capsule designed to transport astronauts to and from low Earth orbit, including missions to the International Space Station.
- 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: LC-39B Target entity description: LC-39B is a launch pad at NASA’s Kennedy Space Center that has supported major crewed and uncrewed space missions, including Space Shuttle flights and later Space Launch System operations.
-
A.
Saturn V
Saturn V was a powerful American heavy-lift launch vehicle used during the Apollo and Skylab programs to send astronauts and payloads into space, including missions to the Moon.
-
B.
Falcon 9 rocket
The Falcon 9 rocket is a partially reusable, two-stage orbital launch vehicle developed by SpaceX that has revolutionized commercial spaceflight through frequent, cost-effective missions and routine booster landings.
-
C.
Atlas-Centaur
Atlas-Centaur was an American expendable launch vehicle family that combined an Atlas booster with a high-energy Centaur upper stage to send payloads, including early interplanetary probes, into space.
-
D.
Falcon 1 rocket
Falcon 1 rocket is a small, privately developed orbital launch vehicle created by SpaceX that became the first privately built liquid-fueled rocket to reach orbit.
-
E.
Starliner spacecraft
The Starliner spacecraft is Boeing’s crewed space capsule designed to transport astronauts to and from low Earth orbit, including missions to the International Space Station.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
launch pad
ⓘ
space launch complex ⓘ |
| adjacentTo | LC-39A ⓘ |
| builtForProgram | Apollo program ⓘ |
| configuration | clean pad design ⓘ |
| constructionStartDate | 1960s ⓘ |
| country | United States of America ⓘ |
| designedFor |
Artemis program launches
ⓘ
Saturn V ⓘ Space Launch System ⓘ Space Shuttle ⓘ |
| firstUsedFor | Apollo-era Saturn V operations ⓘ |
| hasCoordinate | 28.627°N 80.621°W ⓘ |
| hasFeature |
fixed service structure (historical)
ⓘ
flame trench ⓘ lightning protection towers ⓘ mobile launcher interface ⓘ sound suppression system ⓘ water deluge system ⓘ |
| launchAzimuthRange | 28° to 57° (approximate) ⓘ |
| locatedIn |
Kennedy Space Center
ⓘ
Merritt Island ⓘ
surface form:
Merritt Island, Florida
|
| locatedOn | Atlantic coast ⓘ |
| managedBy | Exploration Ground Systems Program ⓘ |
| notableLaunch |
Ares I-X test flight
ⓘ
Artemis I ⓘ
surface form:
Artemis I mission
|
| operator | NASA ⓘ |
| ownedBy | NASA ⓘ |
| partOf |
Launch Complex 39
ⓘ
surface form:
Kennedy Space Center Launch Complex 39
Launch Complex 39 ⓘ |
| reconfiguredFor |
Space Launch System
ⓘ
multi-user commercial and government launches ⓘ |
| status | active ⓘ |
| supportedProgram |
Apollo program
ⓘ
Apollo–Soyuz Test Project ⓘ Artemis program ⓘ Constellation program ⓘ
surface form:
Constellation program (planned)
Skylab program ⓘ NASA Space Shuttle program ⓘ
surface form:
Space Shuttle program
|
| supportedVehicle |
Ares I-X test flight
ⓘ
surface form:
Ares I-X
Saturn IB ⓘ Saturn V ⓘ Space Launch System ⓘ Space Shuttle ⓘ |
| usedFor |
crewed space missions
ⓘ
deep space mission launches ⓘ lunar mission launches ⓘ uncrewed space missions ⓘ |
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: LC-39B Description of subject: LC-39B is a launch pad at NASA’s Kennedy Space Center that has supported major crewed and uncrewed space missions, including Space Shuttle flights and later Space Launch System operations.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
STS-400