Υ1 – Στη σιωπή του βυθού
- Afọ: 2020
- Mba: Greece
- Dị: Documentary, History
- .Lọ nka: EPT, 2|35, FAOS
- Isiokwu: sea, navy, submarine, world war ii, greece, exploration, sunken submarine, british navy, ship wreck, german occupation of greece, katsonis, greek navy
- Onyeisi: Filippos Vardakas
- Nkedo: Bilio Tsoucala
