S-IB
E701068
S-IB was the first stage of NASA’s Saturn IB launch vehicle, a clustered-engine booster used in the Apollo program for Earth-orbital missions and testing.
All labels observed (3)
| Label | Occurrences |
|---|---|
| S-IB canonical | 1 |
| S-IB first stage | 1 |
| S-IB stage | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7866792 — 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: S-IB Context triple: [Saturn IB, firstStage, S-IB]
-
A.
S-I
S-I was the first-stage booster of NASA’s early Saturn I launch vehicle, providing the initial thrust for some of the United States’ first heavy-lift test flights in the Apollo era.
-
B.
S-IC
S-IC was the massive first stage of the Saturn V rocket, powered by five F-1 engines to lift Apollo missions off the launch pad and through the lower atmosphere.
-
C.
S-4
S-4 is an International Hydrographic Organization standard that provides specifications and guidance for the content, symbology, and production of nautical charts.
-
D.
IBI
IBI is an academic institute focused on advancing research, education, and practice in business innovation and entrepreneurship.
-
E.
SIF
SIF is the governing body for ice hockey in Sweden, overseeing the national teams and domestic competitions.
- 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: S-IB Target entity description: S-IB was the first stage of NASA’s Saturn IB launch vehicle, a clustered-engine booster used in the Apollo program for Earth-orbital missions and testing.
-
A.
S-I
S-I was the first-stage booster of NASA’s early Saturn I launch vehicle, providing the initial thrust for some of the United States’ first heavy-lift test flights in the Apollo era.
-
B.
S-IC
S-IC was the massive first stage of the Saturn V rocket, powered by five F-1 engines to lift Apollo missions off the launch pad and through the lower atmosphere.
-
C.
S-4
S-4 is an International Hydrographic Organization standard that provides specifications and guidance for the content, symbology, and production of nautical charts.
-
D.
IBI
IBI is an academic institute focused on advancing research, education, and practice in business innovation and entrepreneurship.
-
E.
SIF
SIF is the governing body for ice hockey in Sweden, overseeing the national teams and domestic competitions.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
launch vehicle first stage
ⓘ
rocket stage ⓘ |
| configuration | clustered-engine booster ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| derivedFrom | Saturn I first stage design ⓘ |
| designFeature |
central Jupiter-derived tank
ⓘ
cluster of eight Redstone-derived tanks ⓘ intertank structure for Saturn IB ⓘ |
| developedBy |
NASA Marshall Space Flight Center
ⓘ
linked to:
Marshall Space Flight Center
|
| diameter | about 6.6 meters ⓘ |
| engineModel | H-1 ⓘ |
| engineType | liquid-fueled rocket engine ⓘ |
| era |
1960s
ⓘ
1970s ⓘ |
| launchSite |
Cape Kennedy Air Force Station Launch Complex 34
ⓘ
Kennedy Space Center Launch Complex 39B ⓘ |
| launchVehicle | Saturn IB ⓘ |
| length | about 25 meters ⓘ |
| manufacturer | Chrysler Corporation Space Division ⓘ |
| massAtLiftoff | on the order of 200 metric tons ⓘ |
| numberOfEngines | 8 ⓘ |
| operator | NASA ⓘ |
| partOf | Saturn IB ⓘ |
| program |
Apollo program
ⓘ
Apollo-Soyuz Test Project program ⓘ
linked to:
Apollo–Soyuz Test Project
Skylab program ⓘ |
| propellantType |
RP-1
ⓘ
liquid oxygen ⓘ |
| relatedTo |
Saturn I
ⓘ
Saturn V ⓘ |
| stageNumber | first stage ⓘ |
| status | retired ⓘ |
| successor | Saturn IB first stage S-IB-2 configuration variants ⓘ |
| thrustAtLiftoff |
about 1.6 million pounds-force
ⓘ
about 7.1 MN ⓘ |
| usedFor |
Apollo program
ⓘ
Apollo spacecraft qualification ⓘ Apollo-Soyuz Test Project launches ⓘ
linked to:
Apollo–Soyuz Test Project
Earth-orbital missions ⓘ Skylab crewed missions ⓘ
linked to:
Skylab program
launch vehicle testing ⓘ |
| usedInMission |
AS-201
ⓘ
AS-202 ⓘ Apollo 5 ⓘ Apollo 7 ⓘ Apollo-Soyuz Test Project ⓘ
linked to:
Apollo–Soyuz Test Project
Skylab 2 ⓘ Skylab 3 ⓘ Skylab 4 ⓘ |
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: S-IB Description of subject: S-IB was the first stage of NASA’s Saturn IB launch vehicle, a clustered-engine booster used in the Apollo program for Earth-orbital missions and testing.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: S-IB
linked to: S-IB