🌐EnglishEnglishFrançaisPolskiفارسی日本語EntityQ7871418· pop 5· linked from 145 articlesUSS Mackerel1940 Mackerel-class submarineWikidata factsImageMackerel (SS204). Port bow, 03-22-1941 - NARA - 513037.jpgSources (2)wikidata.orgen.wikipedia.orgvia Wikidata · CC0On the mapAvailable in 4 languages日本語Polskiفارسیvia Wikidata sitelinks · CC0ConnectionsGeneral Dynamics Electric BoatCompanyship commissioningEntityCategories1940 shipsFriendly fire incidents of World War IIMackerel-class submarinesMaritime incidents in April 1942Maritime incidents in May 1942Ships built in Groton, ConnecticutWorld War II submarines of the United States