Neutral Buoyancy Laboratory

E85323

NASA facility astronaut training facility underwater training facility

The Neutral Buoyancy Laboratory is NASA’s massive underwater training facility where astronauts rehearse spacewalks and practice working in microgravity-like conditions.

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All labels observed (5)

Label	Occurrences
Neutral Buoyancy Laboratory canonical	6
Neutral Buoyancy Facility	2
NASA NEEMO missions	1
NASA undersea analog missions	1
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 ⓘ linked to: United States of America
opened	1997 ⓘ
operator	NASA Johnson Space Center ⓘ linked to: Johnson Space Center National Aeronautics and Space Administration ⓘ linked to: NASA
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