Hello. Prompt please in italian ship Sestriere in 1942 were sisterships or not? And tell me please was a type of italian merchant ships: Napoli Class: Napoli, Ravello, Lerici, Valfiorita, Ombrina, Unione. Please tell me the fate of these ships. I know that the italian ship Valfiorita sunk a British submarine in 1942! I look forward to your responses. With respect to you, Sergey