Operation Dominic I and II
E417978
Operation Dominic I and II were a series of large-scale U.S. atmospheric nuclear tests conducted in the early 1960s, primarily over the Pacific Ocean, to advance and demonstrate American nuclear capabilities during the Cold War.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Operation Dominic | 3 |
| Operation Dominic II | 2 |
| Operation Dominic I | 1 |
| Operation Dominic I and II canonical | 1 |
| Starfish Prime test | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4080577 — 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: Operation Dominic I and II Context triple: [United States nuclear weapons testing, hasPart, Operation Dominic I and II]
-
A.
Operation Plumbbob
Operation Plumbbob was a 1957 series of U.S. atmospheric nuclear tests conducted at the Nevada Test Site, notable for its large number of detonations and extensive military and civil defense experiments.
-
B.
Operation Teapot
Operation Teapot was a 1955 series of U.S. atmospheric nuclear tests at the Nevada Test Site conducted to study weapon effects, improve nuclear designs, and assess military and civil defense responses.
-
C.
Operation Greenhouse
Operation Greenhouse was a series of early Cold War U.S. nuclear tests conducted in 1951 at Enewetak Atoll to advance thermonuclear weapon design and improve bomb efficiency.
-
D.
Operation Hardtack I
Operation Hardtack I was a 1958 U.S. series of high-yield nuclear tests in the Pacific, notable for advancing thermonuclear weapons development during the Cold War.
-
E.
Operation Hardtack II
Operation Hardtack II was a 1958 series of U.S. nuclear tests conducted primarily at the Nevada Test Site to evaluate a range of warhead designs and effects during the Cold War.
- 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: Operation Dominic I and II Target entity description: Operation Dominic I and II were a series of large-scale U.S. atmospheric nuclear tests conducted in the early 1960s, primarily over the Pacific Ocean, to advance and demonstrate American nuclear capabilities during the Cold War.
-
A.
Operation Plumbbob
Operation Plumbbob was a 1957 series of U.S. atmospheric nuclear tests conducted at the Nevada Test Site, notable for its large number of detonations and extensive military and civil defense experiments.
-
B.
Operation Teapot
Operation Teapot was a 1955 series of U.S. atmospheric nuclear tests at the Nevada Test Site conducted to study weapon effects, improve nuclear designs, and assess military and civil defense responses.
-
C.
Operation Greenhouse
Operation Greenhouse was a series of early Cold War U.S. nuclear tests conducted in 1951 at Enewetak Atoll to advance thermonuclear weapon design and improve bomb efficiency.
-
D.
Operation Hardtack I
Operation Hardtack I was a 1958 U.S. series of high-yield nuclear tests in the Pacific, notable for advancing thermonuclear weapons development during the Cold War.
-
E.
Operation Hardtack II
Operation Hardtack II was a 1958 series of U.S. nuclear tests conducted primarily at the Nevada Test Site to evaluate a range of warhead designs and effects during the Cold War.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
United States military operation
ⓘ
nuclear test series ⓘ |
| context |
Cold War
ⓘ
surface form:
United States–Soviet nuclear arms race
|
| country |
United States of America
ⓘ
surface form:
United States
|
| endTime | 1963 ⓘ |
| era | early 1960s ⓘ |
| followedBy |
Partial Nuclear Test Ban Treaty
ⓘ
surface form:
Partial Test Ban Treaty
|
| hasPart |
Operation Dominic I and II
self-linksurface differs
ⓘ
surface form:
Operation Dominic I
Operation Dominic I and II self-linksurface differs ⓘ
surface form:
Operation Dominic II
|
| impact |
contributed to international concern over radioactive fallout
ⓘ
influenced negotiations leading to the Partial Test Ban Treaty ⓘ |
| legalContext | atmospheric nuclear testing era ⓘ |
| location |
Central Pacific
ⓘ
Johnston Island ⓘ
surface form:
Christmas Island
Johnston Atoll ⓘ Pacific Ocean ⓘ |
| militaryBranchInvolved |
United States Air Force
ⓘ
United States Army ⓘ United States Navy ⓘ |
| notableSubseries |
Operation Fulcrum
ⓘ
surface form:
Operation Fishbowl
|
| numberOfTests | 105 ⓘ |
| operator |
United States Atomic Energy Commission
ⓘ
Department of Defense ⓘ
surface form:
United States Department of Defense
|
| partOf | Cold War ⓘ |
| precededBy | Operation Hardtack II ⓘ |
| purpose |
demonstration of American nuclear capabilities
ⓘ
development of thermonuclear weapons ⓘ missile defense research ⓘ weapons effects research ⓘ |
| relatedTo |
ballistic missile development
ⓘ
nuclear weapons testing ⓘ thermonuclear weapons ⓘ |
| securityClassification | classified at time of conduct ⓘ |
| startTime | 1962 ⓘ |
| testEnvironment |
atmosphere
ⓘ
space ⓘ underwater ⓘ |
| testSite | Pacific Proving Grounds ⓘ |
| testType |
airdrop nuclear test
ⓘ
atmospheric nuclear test ⓘ high-altitude nuclear test ⓘ surface nuclear test ⓘ underwater nuclear test ⓘ |
| weaponTypeTested |
nuclear warhead for missiles
ⓘ
strategic nuclear weapon ⓘ tactical nuclear weapon ⓘ thermonuclear bomb ⓘ |
| yieldRange | kiloton to megaton range ⓘ |
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: Operation Dominic I and II Description of subject: Operation Dominic I and II were a series of large-scale U.S. atmospheric nuclear tests conducted in the early 1960s, primarily over the Pacific Ocean, to advance and demonstrate American nuclear capabilities during the Cold War.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Starfish Prime test
this entity surface form:
Operation Dominic
this entity surface form:
Operation Dominic
this entity surface form:
Operation Dominic
this entity surface form:
Operation Dominic II
this entity surface form:
Operation Dominic I
this entity surface form:
Operation Dominic II