EntityQ1720127· pop 8· linked from 234 articlesJ-class submarineSign in to save1915 class of British submarinesKey datesInception1915via Wikidata · CC0Wikidata factsSubclass ofsubmarineNamed afteralphabetical orderOperatorRoyal Australian NavyCountry of originUnited Kingdom of Great Britain and IrelandFollowsH-class submarineImageSix J class subs next to their supply ship HMAS Platypus 1919.jpgvia Wikidata · CC0Connectionsmetric horsepowerEntityPort PhillipEntityCategoriesBritish J-class submarinesRecipients of Engineers Australia engineering heritage markersSubmarine classes of the British Royal NavyWorld War I submarines of the United Kingdom