A3 rocket
E311891
The A3 rocket was an early experimental German ballistic missile developed in the 1930s as a precursor to the more advanced V-2 rocket.
All labels observed (3)
| Label | Occurrences |
|---|---|
| A2 rocket | 1 |
| A3 rocket canonical | 1 |
| Soviet R-1 rocket | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2911641 — 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: A3 rocket Context triple: [Peenemünde Army Research Center, notableProject, A3 rocket]
-
A.
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.
-
B.
Zenit rocket
The Zenit rocket is a family of Ukrainian-designed, medium-lift launch vehicles originally developed in the Soviet era and used for both government and commercial satellite launches.
-
C.
Molniya-M rocket
The Molniya-M rocket was a Soviet expendable launch vehicle widely used during the Cold War era to place communications, navigation, and scientific satellites into highly elliptical Molniya orbits.
-
D.
Proton rocket
The Proton rocket is a heavy-lift Russian expendable launch vehicle widely used to place large payloads, including space station modules and communications satellites, into orbit.
-
E.
R-1 rocket
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.
- 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: A3 rocket Target entity description: The A3 rocket was an early experimental German ballistic missile developed in the 1930s as a precursor to the more advanced V-2 rocket.
-
A.
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.
-
B.
Zenit rocket
The Zenit rocket is a family of Ukrainian-designed, medium-lift launch vehicles originally developed in the Soviet era and used for both government and commercial satellite launches.
-
C.
Molniya-M rocket
The Molniya-M rocket was a Soviet expendable launch vehicle widely used during the Cold War era to place communications, navigation, and scientific satellites into highly elliptical Molniya orbits.
-
D.
Proton rocket
The Proton rocket is a heavy-lift Russian expendable launch vehicle widely used to place large payloads, including space station modules and communications satellites, into orbit.
-
E.
R-1 rocket
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
ballistic missile prototype
ⓘ
experimental rocket ⓘ |
| allFlightsOutcome | failed to meet design goals ⓘ |
| conflictContext | pre–World War II German rearmament ⓘ |
| controlSurfaces |
graphite exhaust vanes
ⓘ
movable fins ⓘ |
| countryOfOrigin | Germany ⓘ |
| designedBy |
Walter Dornberger
ⓘ
Wernher von Braun ⓘ |
| developer |
German Army Weapons Office
ⓘ
surface form:
German Army Ordnance Office
Peenemünde Army Research Center ⓘ
surface form:
Heeresversuchsanstalt Peenemünde
|
| diameter | approximately 0.68 m ⓘ |
| era | 1930s ⓘ |
| firstTestLaunchDate | 1937 ⓘ |
| fuel | ethanol-water mixture ⓘ |
| guidanceType | aerodynamic control with graphite vanes ⓘ |
| heritage | direct precursor to the V-2 rocket ⓘ |
| influenced |
A4 rocket design
ⓘ
V-2 rocket ⓘ
surface form:
V-2 guidance system
|
| intendedApogee | about 30 km ⓘ |
| launchMass | approximately 750 kg ⓘ |
| launchSite | Greifswalder Oie ⓘ |
| length | approximately 6.7 m ⓘ |
| material | steel airframe ⓘ |
| numberOfStages | single-stage ⓘ |
| numberOfTestFlights | 4 ⓘ |
| operator | German Army ⓘ |
| oxidizer | liquid oxygen ⓘ |
| partOfProgram | Aggregate rocket program ⓘ |
| predecessor |
A3 rocket
self-linksurface differs
ⓘ
surface form:
A2 rocket
|
| primaryRole | technology demonstrator ⓘ |
| programGoal | development of long-range ballistic missiles ⓘ |
| propulsionType | liquid-fuel rocket engine ⓘ |
| reasonForFailure |
guidance issues
ⓘ
stability problems ⓘ |
| stabilizationMethod | gyroscopic stabilization ⓘ |
| status |
experimental
ⓘ
retired ⓘ |
| successor |
A-4 rocket
ⓘ
surface form:
A4 rocket
V-2 rocket ⓘ |
| testLocation | Baltic Sea ⓘ |
| testOutcome | largely unsuccessful ⓘ |
| testPeriod | 1937–1938 ⓘ |
| thrust | approximately 14 kN ⓘ |
| usedFor |
development of aerodynamic design
ⓘ
development of guidance systems ⓘ development of propulsion technology ⓘ |
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: A3 rocket Description of subject: The A3 rocket was an early experimental German ballistic missile developed in the 1930s as a precursor to the more advanced V-2 rocket.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
A2 rocket
this entity surface form:
Soviet R-1 rocket