File:ORP Orzel.jpg

Description English: Polish submarine ORP Orzeł in Rosyth in early 1940. Date	between 1 January 1940 and 23 May 1940 Source Witold Supiński, Ludwik Błaszczyk: "Okręty wojenne 1900-1966", Wydawnictwo MON, Warsaw 1967 Narodowe Archiwum Cyfrowe (Sygnatura: 37-797-3) (Polish National Digital Archive) Author	Anonymous