(Note that this list still lacks many important ships.)
(The HMS Pinafore was a fictional creation of Gilbert and Sullivan.)
... Upravleniye[?] (GPU, 1922-1923) Obyedinennoye Gosudarstvennoye Politicheskoye Upravleniye[?] (OGPU, 1923-1934) Narodnyi Kommissariat Gosudarstv ...