Neutral Buoyancy Laboratory
E85323
The Neutral Buoyancy Laboratory is NASA’s massive underwater training facility where astronauts rehearse spacewalks and practice working in microgravity-like conditions.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Neutral Buoyancy Laboratory canonical | 6 |
| Neutral Buoyancy Facility | 2 |
| Neutral Buoyancy Simulator (historical) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T716999 — 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: Neutral Buoyancy Laboratory Context triple: [Johnson Space Center, hasFacility, Neutral Buoyancy Laboratory]
-
A.
Canadarm2
Canadarm2 is a large, robotic manipulator arm on the International Space Station used for assembly, maintenance, and spacecraft berthing operations.
-
B.
Canadarm
Canadarm is a pioneering robotic arm system used on NASA's Space Shuttle orbiters to deploy, capture, and maneuver payloads in space.
-
C.
Center of the Aerospace Testing Universe
The "Center of the Aerospace Testing Universe" is the nickname for the 412th Test Wing, a premier U.S. Air Force unit renowned for conducting cutting-edge flight and weapons testing at Edwards Air Force Base.
-
D.
Submarine Escape Training Tank (historical)
The Submarine Escape Training Tank (historical) was a deep water-filled training facility used by Royal Navy submariners at HMNB Clyde to practice emergency escape procedures from submerged submarines.
-
E.
Glenn Research Center
Glenn Research Center is a major NASA research facility in Ohio specializing in aeronautics and space propulsion technologies.
- 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: Neutral Buoyancy Laboratory Target entity description: The Neutral Buoyancy Laboratory is NASA’s massive underwater training facility where astronauts rehearse spacewalks and practice working in microgravity-like conditions.
-
A.
Canadarm2
Canadarm2 is a large, robotic manipulator arm on the International Space Station used for assembly, maintenance, and spacecraft berthing operations.
-
B.
Canadarm
Canadarm is a pioneering robotic arm system used on NASA's Space Shuttle orbiters to deploy, capture, and maneuver payloads in space.
-
C.
Center of the Aerospace Testing Universe
The "Center of the Aerospace Testing Universe" is the nickname for the 412th Test Wing, a premier U.S. Air Force unit renowned for conducting cutting-edge flight and weapons testing at Edwards Air Force Base.
-
D.
Submarine Escape Training Tank (historical)
The Submarine Escape Training Tank (historical) was a deep water-filled training facility used by Royal Navy submariners at HMNB Clyde to practice emergency escape procedures from submerged submarines.
-
E.
Glenn Research Center
Glenn Research Center is a major NASA research facility in Ohio specializing in aeronautics and space propulsion technologies.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
NASA facility
ⓘ
astronaut training facility ⓘ underwater training facility ⓘ |
| contains | large training pool ⓘ |
| hasAcronym | NBL ⓘ |
| hasApproximatePoolDepth | about 12 meters ⓘ |
| hasApproximatePoolLength | about 62 meters ⓘ |
| hasApproximatePoolVolume |
about 23.5 million liters
ⓘ
about 6.2 million gallons ⓘ |
| hasApproximatePoolWidth | about 31 meters ⓘ |
| hasFeature |
full-scale International Space Station mockups
ⓘ
space shuttle payload bay mockups ⓘ |
| hasFunction |
developing EVA tools and techniques
ⓘ
training international partner astronauts ⓘ validating spacewalk timelines ⓘ |
| hasPrimaryUse |
astronaut spacewalk training
ⓘ
extravehicular activity training ⓘ microgravity simulation ⓘ |
| hasSafetyFeature |
emergency egress systems
ⓘ
overhead cranes ⓘ underwater communications systems ⓘ water quality control systems ⓘ |
| hasStaff |
divers
ⓘ
flight controllers ⓘ instructors ⓘ safety personnel ⓘ |
| locatedAt | Sonny Carter Training Facility ⓘ |
| locatedIn |
Houston
ⓘ
Texas ⓘ United States of America ⓘ
surface form:
United States
|
| opened | 1997 ⓘ |
| operator |
Johnson Space Center
ⓘ
surface form:
NASA Johnson Space Center
NASA ⓘ
surface form:
National Aeronautics and Space Administration
|
| ownedBy | NASA ⓘ |
| replaced | Weightless Environment Training Facility ⓘ |
| simulates |
microgravity conditions
ⓘ
weightlessness ⓘ |
| supportsActivity | extravehicular activity planning ⓘ |
| supportsProgram |
Artemis program
ⓘ
International Space Station program ⓘ |
| trainingMethod | neutral buoyancy ⓘ |
| usedFor |
International Space Station assembly training
ⓘ
International Space Station maintenance training ⓘ contingency spacewalk training ⓘ spacewalk procedure rehearsal ⓘ tool and hardware evaluation ⓘ |
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: Neutral Buoyancy Laboratory Description of subject: The Neutral Buoyancy Laboratory is NASA’s massive underwater training facility where astronauts rehearse spacewalks and practice working in microgravity-like conditions.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Neutral Buoyancy Simulator (historical)
this entity surface form:
Neutral Buoyancy Facility
this entity surface form:
Neutral Buoyancy Facility