A-2 Test Stand
E99644
The A-2 Test Stand is a major rocket engine test facility at NASA’s Stennis Space Center used for static firing and development of large liquid-fueled engines.
All labels observed (1)
| Label | Occurrences |
|---|---|
| A-2 Test Stand canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T823250 — 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: A-2 Test Stand Context triple: [Stennis Space Center, hasTestStand, A-2 Test Stand]
-
A.
A-1 Test Stand
A-1 Test Stand is a historic rocket engine test facility at NASA’s Stennis Space Center used for static firing and development of major launch vehicle engines.
-
B.
Curtiss-Wright XLR25 rocket engine
The Curtiss-Wright XLR25 was an American liquid-fueled rocket engine developed in the 1950s to power high-speed experimental research aircraft such as the Bell X-2.
-
C.
Ames Research Center 80-by-120-Foot Wind Tunnel
The Ames Research Center 80-by-120-Foot Wind Tunnel is one of the world’s largest wind tunnels, used primarily for testing full-scale aircraft and aerospace vehicles under controlled aerodynamic conditions.
-
D.
Ames Research Center 40-by-80-Foot Wind Tunnel
The Ames Research Center 40-by-80-Foot Wind Tunnel is a massive NASA wind tunnel facility used to test full-scale aircraft and aerospace vehicles under controlled aerodynamic conditions.
-
E.
Ramport Aero
Ramport Aero is the company responsible for managing and operating Zhukovsky International Airport near Moscow, Russia.
- 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: A-2 Test Stand Target entity description: The A-2 Test Stand is a major rocket engine test facility at NASA’s Stennis Space Center used for static firing and development of large liquid-fueled engines.
-
A.
A-1 Test Stand
A-1 Test Stand is a historic rocket engine test facility at NASA’s Stennis Space Center used for static firing and development of major launch vehicle engines.
-
B.
Curtiss-Wright XLR25 rocket engine
The Curtiss-Wright XLR25 was an American liquid-fueled rocket engine developed in the 1950s to power high-speed experimental research aircraft such as the Bell X-2.
-
C.
Ames Research Center 80-by-120-Foot Wind Tunnel
The Ames Research Center 80-by-120-Foot Wind Tunnel is one of the world’s largest wind tunnels, used primarily for testing full-scale aircraft and aerospace vehicles under controlled aerodynamic conditions.
-
D.
Ames Research Center 40-by-80-Foot Wind Tunnel
The Ames Research Center 40-by-80-Foot Wind Tunnel is a massive NASA wind tunnel facility used to test full-scale aircraft and aerospace vehicles under controlled aerodynamic conditions.
-
E.
Ramport Aero
Ramport Aero is the company responsible for managing and operating Zhukovsky International Airport near Moscow, Russia.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
rocket engine test stand
ⓘ
test facility ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| designedFor | high-thrust rocket engines ⓘ |
| environment | outdoor test stand ⓘ |
| hasFeature |
extensive instrumentation for engine performance data
ⓘ
high-capacity propellant feed systems ⓘ large flame deflector ⓘ structural support for vertical engine mounting ⓘ |
| hasInfrastructure |
high-pressure gas supply systems
ⓘ
water deluge system for acoustic and thermal control ⓘ |
| locatedAtFacilityType |
federal rocket propulsion test center
ⓘ
linked to:
NASA White Sands Test Facility
|
| locatedIn |
Hancock County, Mississippi
ⓘ
Mississippi ⓘ Stennis Space Center ⓘ |
| notableForTesting |
RS-25 engine
ⓘ
linked to:
RS-25D
Space Shuttle Main Engine ⓘ
linked to:
Space Shuttle Main Engines
engines for NASA’s Space Launch System ⓘ |
| operatedBy |
NASA Stennis Space Center
ⓘ
linked to:
Stennis Space Center
|
| ownedBy | NASA ⓘ |
| partOf |
Stennis Space Center test complex
ⓘ
linked to:
Stennis Space Center
|
| partOfProgram |
Space Launch System Program
ⓘ
linked to:
Space Launch System
Space Shuttle Program ⓘ
linked to:
NASA Space Shuttle program
|
| propellantTypeSupported |
liquid hydrogen
ⓘ
liquid oxygen ⓘ |
| relatedTo |
A-1 Test Stand
ⓘ
B-1/B-2 Test Stands at Stennis Space Center ⓘ
linked to:
B-1 Test Stand
|
| safetyFeature |
blast protection structures
ⓘ
propellant spill containment systems ⓘ remote control and monitoring ⓘ |
| supportsActivity |
acceptance testing before flight use
ⓘ
developmental test campaigns ⓘ engine certification testing ⓘ |
| supportsEngineType | liquid-fueled rocket engines ⓘ |
| supportsTestDuration | long-duration engine firings ⓘ |
| testMode | static fire ⓘ |
| usedBy |
NASA
ⓘ
NASA contractors ⓘ |
| usedFor |
acceptance testing of rocket engines
ⓘ
development testing of large liquid-fueled rocket engines ⓘ static firing of rocket engines ⓘ |
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: A-2 Test Stand Description of subject: The A-2 Test Stand is a major rocket engine test facility at NASA’s Stennis Space Center used for static firing and development of large liquid-fueled engines.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.