Polish submarine Orzeł in the Tallinn military harbor in September 1939
Polish submarine Orzel at Tallinn’s military harbor. The 400-ton Estonian sidewheeler minelayers Suurop (1x 47mm gun) and Ristna, formerly the Russian Apostol Piotr and Apostol Paviel, are visible to the left. Eesti Meremuuseum MM F 7318.