🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtEntityQ257063· pop 5S43S43 may refer to:Article2 sectionsContentsSubmarinesOther usesS43 may refer to:== Submarines == , of the Royal Navy , of the Indian Navy , of the United States NavyRead full article (3 paragraphs)Available in 5 languagesFrançaisItalianoSerbianSerbian (Latin)via Wikidata sitelinks · CC0Connectionsisotope of sulfurEntitySikorsky S-43EntityCategoriesLetter–number combination disambiguation pages