R-1 rocket
E64500
The R-1 rocket was an early Soviet ballistic missile and research rocket developed after World War II as a near-copy of Germany’s V-2, serving as a foundation for later Soviet rocketry.
All labels observed (1)
| Label | Occurrences |
|---|---|
| R-1 rocket canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T511071 — 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: R-1 rocket Context triple: [V-2 rocket, influenced, R-1 rocket]
-
A.
Vostok-K rocket
The Vostok-K rocket was a Soviet launch vehicle that carried Yuri Gagarin on the first human spaceflight in history.
-
B.
R-7 Semyorka rocket
The R-7 Semyorka rocket was the world’s first intercontinental ballistic missile and the launch vehicle that placed Sputnik, the first artificial satellite, into orbit, marking the start of the space age.
-
C.
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.
-
D.
RL10
RL10 is a family of high-performance, liquid hydrogen–liquid oxygen cryogenic rocket engines developed by Aerojet Rocketdyne and widely used on U.S. upper stages such as Centaur and Delta IV.
-
E.
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.
- 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: R-1 rocket Target entity description: The R-1 rocket was an early Soviet ballistic missile and research rocket developed after World War II as a near-copy of Germany’s V-2, serving as a foundation for later Soviet rocketry.
-
A.
Vostok-K rocket
The Vostok-K rocket was a Soviet launch vehicle that carried Yuri Gagarin on the first human spaceflight in history.
-
B.
R-7 Semyorka rocket
The R-7 Semyorka rocket was the world’s first intercontinental ballistic missile and the launch vehicle that placed Sputnik, the first artificial satellite, into orbit, marking the start of the space age.
-
C.
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.
-
D.
RL10
RL10 is a family of high-performance, liquid hydrogen–liquid oxygen cryogenic rocket engines developed by Aerojet Rocketdyne and widely used on U.S. upper stages such as Centaur and Delta IV.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
ballistic missile
ⓘ
research rocket ⓘ sounding rocket ⓘ |
| alsoKnownAs | 8A11 ⓘ |
| apogee | about 90 km ⓘ |
| basedOn | V-2 rocket ⓘ |
| category |
Cold War missile
ⓘ
Soviet ballistic missile ⓘ |
| copyOf | V-2 rocket ⓘ |
| countryOfOrigin | Soviet Union ⓘ |
| derivativeOf |
A-4 rocket
ⓘ
surface form:
German A-4 rocket
|
| designer | Sergei Korolev ⓘ |
| developedFrom | captured German V-2 technology ⓘ |
| developmentStart | mid-1940s ⓘ |
| era | early Cold War ⓘ |
| firstFlight | 1948 ⓘ |
| firstSuccessfulLaunch | 1948 ⓘ |
| followedBy |
R-2 missile
ⓘ
surface form:
R-2 rocket
R-5 missile ⓘ
surface form:
R-5 rocket
|
| fuel | ethanol-water mixture ⓘ |
| guidanceSystem | inertial guidance ⓘ |
| historicalSignificance |
first large Soviet liquid-fueled ballistic missile
ⓘ
foundation for later Soviet ballistic missiles ⓘ helped establish Soviet rocket engineering expertise ⓘ |
| launchMass | approximately 13,000 kg ⓘ |
| launchSite | Kapustin Yar ⓘ |
| length | about 14 m ⓘ |
| manufacturer | OKB-1 ⓘ |
| maximumRange | about 270 km ⓘ |
| operator |
Soviet armed forces
ⓘ
surface form:
Soviet Armed Forces
|
| oxidizer | liquid oxygen ⓘ |
| partOf |
Soviet missile program
ⓘ
Soviet space program precursors ⓘ |
| precededBy | V-2 rocket ⓘ |
| program | R-series Soviet rockets ⓘ |
| propellantType | liquid-propellant ⓘ |
| serviceEntry | late 1940s ⓘ |
| stageCount | 1 ⓘ |
| status | retired ⓘ |
| thrust | approximately 270 kN ⓘ |
| usedFor |
ballistic missile research
ⓘ
biological experiments ⓘ cosmic ray research ⓘ military testing ⓘ scientific experiments ⓘ upper atmosphere research ⓘ upper-atmosphere physics ⓘ |
| usedIn | post–World War II weapons development ⓘ |
| warheadType | conventional high-explosive ⓘ |
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: R-1 rocket Description of subject: The R-1 rocket was an early Soviet ballistic missile and research rocket developed after World War II as a near-copy of Germany’s V-2, serving as a foundation for later Soviet rocketry.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Vergeltungswaffe 2