Operation Dominic I and II

E417978

United States military operation nuclear test series

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.

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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	United States–Soviet nuclear arms race ⓘ linked to: Cold War
country	United States ⓘ linked to: United States of America
endTime	1963 ⓘ
era	early 1960s ⓘ
followedBy	Partial Test Ban Treaty ⓘ linked to: Partial Nuclear Test Ban Treaty
hasPart	Operation Dominic I ⓘ linked to: Operation Dominic I and II Operation Dominic II ⓘ linked to: Operation Dominic I and 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 ⓘ Christmas Island ⓘ linked to: Johnston Island Johnston Atoll ⓘ Pacific Ocean ⓘ
militaryBranchInvolved	United States Air Force ⓘ United States Army ⓘ United States Navy ⓘ
notableSubseries	Operation Fishbowl ⓘ linked to: Operation Fulcrum
numberOfTests	105 ⓘ
operator	United States Atomic Energy Commission ⓘ United States Department of Defense ⓘ linked to: 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