SA-2
E898866
SA-2 is a specific space mission or spacecraft designation associated with the S-I launch vehicle in the early U.S. space program.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T10999079 — 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: SA-2 Context triple: [S-I, usedInMission, SA-2]
-
A.
SA-5
SA-5 is a track from Beck’s acclaimed 1996 album "Odelay," known for its eclectic, sample-heavy alternative rock sound.
-
B.
SA-501
SA-501 was the first Saturn V launch vehicle, used for the uncrewed Apollo 4 test flight that validated the rocket and spacecraft for future lunar missions.
-
C.
SA-20 Gargoyle
SA-20 Gargoyle is the NATO reporting name for an advanced Russian long-range surface-to-air missile system designed for high-altitude air defense against aircraft and missiles.
-
D.
SA-5 Gammon
SA-5 Gammon is the NATO reporting name for the Soviet long-range S-200 surface-to-air missile system designed to engage high-altitude aircraft and strategic targets.
-
E.
SS-7 Saddler
The SS-7 Saddler is a Soviet-era intercontinental ballistic missile developed during the Cold War as part of the USSR's strategic nuclear arsenal.
- 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: SA-2 Target entity description: SA-2 is a specific space mission or spacecraft designation associated with the S-I launch vehicle in the early U.S. space program.
-
A.
SA-5
SA-5 is a track from Beck’s acclaimed 1996 album "Odelay," known for its eclectic, sample-heavy alternative rock sound.
-
B.
SA-501
SA-501 was the first Saturn V launch vehicle, used for the uncrewed Apollo 4 test flight that validated the rocket and spacecraft for future lunar missions.
-
C.
SA-20 Gargoyle
SA-20 Gargoyle is the NATO reporting name for an advanced Russian long-range surface-to-air missile system designed for high-altitude air defense against aircraft and missiles.
-
D.
SA-5 Gammon
SA-5 Gammon is the NATO reporting name for the Soviet long-range S-200 surface-to-air missile system designed to engage high-altitude aircraft and strategic targets.
-
E.
SS-7 Saddler
The SS-7 Saddler is a Soviet-era intercontinental ballistic missile developed during the Cold War as part of the USSR's strategic nuclear arsenal.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
Saturn I test flight
ⓘ
space mission ⓘ suborbital test flight ⓘ |
| apogee | approximately 105 kilometers ⓘ |
| codename | Project Highwater ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| firstStageEngines | 8 H-1 engines ⓘ |
| firstStagePropellants |
RP-1 kerosene
ⓘ
liquid oxygen ⓘ |
| flightDuration | about 15 minutes ⓘ |
| followedBy | SA-3 ⓘ |
| guidanceSystem | inertial guidance ⓘ |
| historicalSignificance |
contributed to development of Saturn launch vehicles used in Apollo program
ⓘ
early test of clustered-engine large launch vehicle ⓘ |
| launchDate | 1962-04-25 ⓘ |
| launchLocation |
Cape Canaveral, Florida
ⓘ
linked to:
Cape Canaveral
|
| launchMass | approximately 500 metric tons ⓘ |
| launchSite |
Cape Canaveral Air Force Station Launch Complex 34
ⓘ
LC-34 ⓘ |
| launchTimeUTC | 1962-04-25T14:00:34Z ⓘ |
| launchVehicle | Saturn I ⓘ |
| launchVehicleConfiguration | Block I Saturn I ⓘ |
| launchVehicleStage | S-I first stage ⓘ |
| missionObjective |
demonstrate high-altitude release of ballast water
ⓘ
simulate orbital payload mass using water ballast ⓘ test guidance and control systems ⓘ test propulsion system performance ⓘ test structural integrity of Saturn I first stage ⓘ |
| missionType |
boilerplate payload test
ⓘ
developmental test flight ⓘ |
| operator |
NASA Marshall Space Flight Center
ⓘ
linked to:
Marshall Space Flight Center
|
| outcome | first successful Project Highwater experiment ⓘ |
| partOf |
Saturn I program
ⓘ
linked to:
Saturn I
early U.S. space program ⓘ |
| payload |
boilerplate upper stages
ⓘ
water ballast ⓘ |
| precededBy | SA-1 ⓘ |
| program | Saturn I ⓘ |
| projectName | Project Highwater ⓘ |
| spaceAgency | NASA ⓘ |
| status | success ⓘ |
| waterBallastMass | about 109000 liters of water ⓘ |
| waterReleaseAltitude | approximately 105 kilometers ⓘ |
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: SA-2 Description of subject: SA-2 is a specific space mission or spacecraft designation associated with the S-I launch vehicle in the early U.S. space program.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: SA-2