USS Iowa

E75952

Iowa-class battleship United States Navy ship battleship

USS Iowa was the lead ship of the Iowa-class fast battleships of the United States Navy, renowned for its World War II service and later Cold War deployments.

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All labels observed (2)

Label	Occurrences
USS Iowa canonical	7
USS Iowa (BB-61)	7

How this entity was disambiguated

This entity first appeared as the object of triple T603343 — 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: USS Iowa
Context triple: [USS Missouri, sisterShip, USS Iowa]

A. USS Missouri
USS Missouri is a United States Navy Iowa-class battleship best known as the site of Japan’s formal surrender in World War II, marking the end of the conflict.
B. USS South Dakota (BB-57)
USS South Dakota (BB-57) was a World War II-era U.S. Navy fast battleship that served prominently in the Pacific Theater, earning numerous battle stars for its combat service.
C. USS Tennessee (BB-43)
USS Tennessee (BB-43) was a Tennessee-class battleship of the United States Navy that served prominently in the Pacific Theater during World War II, providing shore bombardment and support in multiple major campaigns.
D. USS West Virginia (BB-48)
USS West Virginia (BB-48) was a Colorado-class battleship of the United States Navy that was sunk and later refloated and modernized after the Pearl Harbor attack, subsequently serving in major Pacific Theater operations during World War II.
E. USS Hancock
USS Hancock was a prominent frigate of the Continental Navy during the American Revolutionary War, known for its early naval engagements against the British.
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: USS Iowa
Target entity description: USS Iowa was the lead ship of the Iowa-class fast battleships of the United States Navy, renowned for its World War II service and later Cold War deployments.

A. USS Missouri
USS Missouri is a United States Navy Iowa-class battleship best known as the site of Japan’s formal surrender in World War II, marking the end of the conflict.
B. USS South Dakota (BB-57)
USS South Dakota (BB-57) was a World War II-era U.S. Navy fast battleship that served prominently in the Pacific Theater, earning numerous battle stars for its combat service.
C. USS Tennessee (BB-43)
USS Tennessee (BB-43) was a Tennessee-class battleship of the United States Navy that served prominently in the Pacific Theater during World War II, providing shore bombardment and support in multiple major campaigns.
D. USS West Virginia (BB-48)
USS West Virginia (BB-48) was a Colorado-class battleship of the United States Navy that was sunk and later refloated and modernized after the Pearl Harbor attack, subsequently serving in major Pacific Theater operations during World War II.
E. USS Hancock
USS Hancock was a prominent frigate of the Continental Navy during the American Revolutionary War, known for its early naval engagements against the British.
F. None of above. chosen

Statements (53)

Predicate	Object
instanceOf	Iowa-class battleship ⓘ United States Navy ship ⓘ battleship ⓘ
armament	UGM-84 Harpoon anti-ship missiles ⓘ surface form: Harpoon anti-ship missiles (Cold War refit) Phalanx CIWS (modernization era) ⓘ surface form: Phalanx CIWS (Cold War refit) Tomahawk cruise missile ⓘ surface form: Tomahawk cruise missiles (Cold War refit) nine 16-inch/50 caliber Mark 7 guns ⓘ twenty 5-inch/38 caliber dual-purpose guns ⓘ various 40 mm and 20 mm anti-aircraft guns ⓘ
awards	Navy Unit Commendation ⓘ Republic of Korea Presidential Unit Citation ⓘ surface form: Presidential Unit Citation (Republic of Korea) multiple battle stars for Korean War ⓘ multiple battle stars for World War II ⓘ
beam	108 feet 2 inches ⓘ
builder	New York Naval Shipyard ⓘ
category	Cold War battleship of the United States ⓘ World War II battleship of the United States ⓘ
commissioned	1943-02-22 ⓘ
conflict	Cold War ⓘ Korean War ⓘ World War II ⓘ
country	United States of America ⓘ
crewComplement	around 1,500 after 1980s modernization ⓘ around 1,900 in World War II ⓘ
decommissioned	1949-03-24 ⓘ 1958-02-24 ⓘ
displacement	about 45,000 long tons standard ⓘ over 57,000 long tons full load ⓘ
draft	37 feet 2 inches ⓘ
finalDecommissioning	1990-10-26 ⓘ
hullMaterial	steel ⓘ
laidDown	1940-06-27 ⓘ
launched	1942-08-27 ⓘ
leadShipOfClass	Iowa-class battleship ⓘ surface form: Iowa class
length	887 feet ⓘ
managedBy	Battleship USS Iowa Museum ⓘ surface form: Pacific Battleship Center
maximumSpeed	about 33 knots ⓘ
modernization	received major weapons and electronics upgrade in the 1980s ⓘ
museumBerth	Port of Los Angeles ⓘ surface form: Port of Los Angeles at San Pedro
museumLocation	Los Angeles, California, United States of America ⓘ surface form: Los Angeles, California
museumOpening	opened to the public in 2012 ⓘ
namedAfter	Iowa ⓘ surface form: U.S. state of Iowa
notableEvent	transported President Franklin D. Roosevelt to the Tehran Conference in 1943 ⓘ
notableRole	flagship for Admiral William F. Halsey Jr. in World War II ⓘ
operator	United States Navy ⓘ
pennantNumber	BB-61 ⓘ
propulsion	four propeller shafts ⓘ steam turbines ⓘ
recommissioned	1951-08-25 ⓘ 1984-04-28 ⓘ
shipClass	Iowa-class battleship ⓘ surface form: Iowa class
status	museum ship ⓘ
theater	Pacific War ⓘ surface form: Pacific Theater of World War II

How these facts were elicited