S-I
E259958
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| S-I canonical | 1 |
| S-I first stage | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2372453 — 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-I Context triple: [Saturn I, firstStageName, S-I]
-
A.
SI
SI is the abbreviation for Skeptical Inquirer, a magazine devoted to scientific skepticism, critical thinking, and the investigation of extraordinary claims.
-
B.
SI
SI is the globally accepted metric-based system of measurement used in science, industry, and everyday life.
-
C.
S1
S1 is a key commuter rail line of the Berlin S-Bahn network, connecting central Berlin with its northern and southwestern suburbs.
-
D.
SiR
SiR is an American R&B singer, songwriter, and producer known for his smooth, soulful sound and work with Top Dawg Entertainment.
-
E.
S
S is the distinctive middle initial of U.S. President Harry S. Truman, famously not standing for any specific name but honoring both of his grandfathers.
- 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-I Target entity description: 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.
-
A.
SI
SI is the abbreviation for Skeptical Inquirer, a magazine devoted to scientific skepticism, critical thinking, and the investigation of extraordinary claims.
-
B.
SI
SI is the globally accepted metric-based system of measurement used in science, industry, and everyday life.
-
C.
S1
S1 is a key commuter rail line of the Berlin S-Bahn network, connecting central Berlin with its northern and southwestern suburbs.
-
D.
SiR
SiR is an American R&B singer, songwriter, and producer known for his smooth, soulful sound and work with Top Dawg Entertainment.
-
E.
S
S is the distinctive middle initial of U.S. President Harry S. Truman, famously not standing for any specific name but honoring both of his grandfathers.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
launch vehicle first stage
ⓘ
rocket stage ⓘ |
| coreTankOrigin | Jupiter rocket tank ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| designer | Wernher von Braun ⓘ |
| developedBy | Marshall Space Flight Center ⓘ |
| diameter | 6.52 m ⓘ |
| engineArrangement | cluster of eight engines ⓘ |
| engineType | H-1 ⓘ |
| era | early Apollo era ⓘ |
| firstFlightDate | 1961-10-27 ⓘ |
| firstFlightWith | SA-1 ⓘ |
| fuel | RP-1 kerosene ⓘ |
| guidanceLocation | instrument unit on upper stage ⓘ |
| height | about 25.5 m ⓘ |
| lastFlightDate | 1965-07-30 ⓘ |
| lastFlightWith | SA-10 ⓘ |
| launchComplex |
Launch Complex 34
ⓘ
Launch Complex 37 ⓘ |
| launchSite |
Cape Canaveral Air Force Station
ⓘ
linked to:
Cape Canaveral Space Force Station
|
| launchVehicle |
Saturn I Block I
ⓘ
linked to:
Saturn I
Saturn I Block II ⓘ
linked to:
Saturn I
|
| numberOfEngines | 8 ⓘ |
| numberOfFlights | 10 ⓘ |
| numberOfOuterTanks | 8 ⓘ |
| operator | NASA ⓘ |
| outerTankOrigin | Redstone rocket tanks ⓘ |
| oxidizer | liquid oxygen ⓘ |
| partOf | Saturn I ⓘ |
| program | Saturn program ⓘ |
| propellantType | liquid fuel ⓘ |
| replacedBy | S-IB ⓘ |
| status | retired ⓘ |
| structureType | clustered tank design ⓘ |
| successor |
Saturn IB first stage
ⓘ
linked to:
Saturn IB
|
| successRate |
10 of 10 flights reached planned test objectives
ⓘ
high ⓘ |
| thrustAtLiftoff |
about 1,500,000 lbf
ⓘ
about 6.7 MN ⓘ |
| usedFor |
Apollo program test flights
ⓘ
linked to:
Apollo program
heavy-lift launch vehicle development ⓘ suborbital test flights ⓘ |
| usedInMission |
SA-1
ⓘ
SA-10 ⓘ SA-2 ⓘ SA-3 ⓘ
linked to:
SA-2
SA-4 ⓘ SA-5 ⓘ
linked to:
SA-4
SA-6 ⓘ SA-7 ⓘ
linked to:
SA-7 Grail man-portable air-defense system
SA-8 ⓘ SA-9 ⓘ |
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-I Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: S-I