EntityQ42753786· pop 5U30Sign in to saveU30 may refer to:Article2 sectionsContentsNaval vesselsOther usesU30 may refer to:== Naval vessels == , various vessels , a sloop of the Royal Navy , a submarine of the Austro-Hungarian NavyRead full article (3 paragraphs)ConnectionsNissan PresageEntityGerman submarine U-30Entitysmall ditrigonal icosidodecahedronEntityHMS MermaidEntityTemple Bar AirportEntity