Liberty ships

E234733

Liberty ships were mass-produced American cargo vessels built during World War II to rapidly transport war supplies and troops across the Atlantic and other theaters.

All labels observed (2)

Label Occurrences
Liberty ships canonical 5
Liberty ship 3

How this entity was disambiguated

Statements (51)

Predicate Object
instanceOf World War II ship type
cargo ship
armament defensive guns for anti-submarine and anti-aircraft use
averageDeadweightTonnage about 10000 DWT
basedOn British Ocean-class cargo ship design
beam approximately 57 feet
builtAt Alabama Dry Dock and Shipbuilding Company
surface form: Alabama Drydock and Shipbuilding Company

Bethlehem-Fairfield Shipyard
California Shipbuilding Corporation
Kaiser Richmond Shipyards
surface form: Kaiser Shipyards

North Carolina Shipbuilding Company
Oregon Shipbuilding Corporation
builtIn United States shipyards
conflict World War II
constructionMethod mass production
welded hull
countryOfOrigin United States of America
surface form: United States
crewComplement about 20–40 Naval Armed Guard
about 40 merchant crew
designedBy United States Maritime Commission
developedBy United States Maritime Commission
firstLaidDown 1941
hasPurpose ocean cargo transport
transport of troops
transport of war supplies
historicalSignificance symbol of American industrial mobilization in World War II
length approximately 441 feet
material steel
notableExample SS Jeremiah O’Brien
surface form: SS Jeremiah O'Brien

SS John W. Brown
SS John W. Brown
surface form: SS Robert E. Peary
notableIssue hull cracking in cold waters
numberBuilt 2710
operatedIn Atlantic Ocean
Mediterranean Sea
Pacific Ocean
postwarUse commercial cargo service
conversion to other civilian uses
reserve fleet storage
productionPeriodEnd 1945
productionPeriodStart 1941
propulsion triple-expansion steam engine
record SS Robert E. Peary was built in under 5 days
replacedBy Victory ship
roleInBattle Battle of the Atlantic
serviceEntry 1941
speed about 11 knots
usedBy Allied powers
British merchant navy
surface form: British Merchant Navy

United States merchant marine
surface form: United States Merchant Marine

United States Navy

How these facts were elicited

Referenced by (8)

Full triples — surface form annotated when it differs from this entity's canonical label.

Allied merchant shipping includes Liberty ships
New England Shipbuilding Corporation shipTypeProduced Liberty ships
this entity surface form: Liberty ship
Victory ships replaced Liberty ships
subject surface form: Victory ship
this entity surface form: Liberty ship
Victory ships isMoreDurableThan Liberty ships
subject surface form: Victory ship
this entity surface form: Liberty ship
Kaiser Richmond Shipyards product Liberty ships