Able-Baker series of tests
E242074
The Able-Baker series of tests were early U.S. nuclear weapons tests conducted in the late 1940s as part of Operation Crossroads to study the effects of atomic explosions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Able-Baker series of tests canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2202113 — 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: Able-Baker series of tests Context triple: [Able, codenameSeries, Able-Baker series of tests]
-
A.
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.
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B.
Hawthorne test tunnel
Hawthorne test tunnel is an experimental underground transportation tunnel in Hawthorne, California, built by The Boring Company to demonstrate and develop high-speed, low-cost tunneling and transit technologies.
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C.
Experiments on Air
Experiments on Air is an influential scientific work by Henry Cavendish detailing his pioneering investigations into the properties and composition of gases, including the study of hydrogen.
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D.
Hall B experimental program
The Hall B experimental program is a major nuclear and particle physics research effort at Jefferson Lab focused on studying the structure and dynamics of nucleons and nuclei using the CLAS family of detectors.
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E.
Knickebein radio navigation system
The Knickebein radio navigation system was a World War II German Luftwaffe beam-guidance technology used to direct bombers accurately to their targets at night and in poor visibility.
- 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: Able-Baker series of tests Target entity description: The Able-Baker series of tests were early U.S. nuclear weapons tests conducted in the late 1940s as part of Operation Crossroads to study the effects of atomic explosions.
-
A.
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.
-
B.
Hawthorne test tunnel
Hawthorne test tunnel is an experimental underground transportation tunnel in Hawthorne, California, built by The Boring Company to demonstrate and develop high-speed, low-cost tunneling and transit technologies.
-
C.
Experiments on Air
Experiments on Air is an influential scientific work by Henry Cavendish detailing his pioneering investigations into the properties and composition of gases, including the study of hydrogen.
-
D.
Hall B experimental program
The Hall B experimental program is a major nuclear and particle physics research effort at Jefferson Lab focused on studying the structure and dynamics of nucleons and nuclei using the CLAS family of detectors.
-
E.
Knickebein radio navigation system
The Knickebein radio navigation system was a World War II German Luftwaffe beam-guidance technology used to direct bombers accurately to their targets at night and in poor visibility.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
United States nuclear weapons tests
ⓘ
nuclear weapons test series ⓘ |
| codenameOrigin | U.S. military phonetic alphabet names "Able" and "Baker" ⓘ |
| commander | Vice Admiral William H. P. Blandy ⓘ |
| conductedBy |
Manhattan Project personnel
ⓘ
United States Army ⓘ United States Navy ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| effectOnEnvironment | radioactive contamination of lagoon and target ships ⓘ |
| endTime | 1946-07-25 ⓘ |
| era | early Cold War ⓘ |
| followedBy | Operation Sandstone ⓘ |
| hasPart |
Test Able
ⓘ
Test Baker ⓘ |
| location |
Bikini Atoll
ⓘ
Marshall Islands ⓘ |
| mediaCoverage | extensive international press coverage ⓘ |
| notableFor |
first nuclear tests conducted at Bikini Atoll
ⓘ
first postwar U.S. nuclear tests ⓘ |
| numberOfTests | 2 ⓘ |
| partOf | Operation Crossroads ⓘ |
| precededBy |
Trinity test device
ⓘ
surface form:
Trinity test
|
| publicConcern | long-term environmental and health effects of nuclear testing ⓘ |
| purpose |
to evaluate military implications of atomic weapons
ⓘ
to study the effects of atomic explosions on naval vessels ⓘ |
| scientificFocus |
blast effects
ⓘ
radiation and fallout effects ⓘ thermal radiation effects ⓘ |
| startTime | 1946-07-01 ⓘ |
| supervisedBy | Joint Task Force One ⓘ |
| testType | weapons effects tests ⓘ |
| usedTargetShips |
captured Axis warships
ⓘ
decommissioned U.S. Navy vessels ⓘ |
| weaponType | plutonium implosion bomb ⓘ |
| yieldRange | tens of kilotons of TNT ⓘ |
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: Able-Baker series of tests Description of subject: The Able-Baker series of tests were early U.S. nuclear weapons tests conducted in the late 1940s as part of Operation Crossroads to study the effects of atomic explosions.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.