The Foca-class were a group of three submarines built for the Italian Navy

Regia Marina

The Regia Marina dates from the proclamation of the Kingdom of Italy in 1861 after Italian unification...

 between 1936 and 1938, intended primarily for mine-laying operations. The lead ship Foca was lost on October 1940 while laying mines in the Haifa

Haifa

Haifa is the largest city in northern Israel, and the third-largest city in the country, with a population of over 268,000. Another 300,000 people live in towns directly adjacent to the city including the cities of the Krayot, as well as, Tirat Carmel, Daliyat al-Karmel and Nesher...

 harbor. Atropo and Zoea, the second and third ships of the class, were used after Italy's 1943 surrender by the Allies

Allies of World War II

The Allies of World War II were the countries that opposed the Axis powers during the Second World War . Former Axis states contributing to the Allied victory are not considered Allied states...

 for supply runs to British garrisons in Samos

Samoš

Samoš is a village in Serbia. It is situated in the Kovačica municipality, in the South Banat District, Vojvodina province. The village has a Serb ethnic majority and its population numbering 1,247 people .-See also:...

 and Leros

Leros

Leros is a Greek island and municipality in the Dodecanese in the southern Aegean Sea. It lies 317 km from Athens's port of Piraeus, from which it can be reached by an 11-hour ferry ride . Leros is part of the Kalymnos peripheral unit...

 in the Aegean

Aegean Sea

The Aegean Sea[p] is an elongated embayment of the Mediterranean Sea located between the southern Balkan and Anatolian peninsulas, i.e., between the mainlands of Greece and Turkey. In the north, it is connected to the Marmara Sea and Black Sea by the Dardanelles and Bosporus...

. Both were scrapped in 1947

Ships

Ship	Namesake	Launched	Fate
Foca	(unknown)	26 June 1937	Lost in 1940 off Haifa, Palestine.
Atropo	(unknown)	20 November 1938	Used to supply British forces in the Dodecanese Dodecanese The Dodecanese are a group of 12 larger plus 150 smaller Greek islands in the Aegean Sea, of which 26 are inhabited. Τhis island group generally defines the eastern limit of the Sea of Crete. They belong to the Southern Sporades island group...  after the 1943 armistice, survived the war and was scrapped in 1947.
Zoea	(unknown)	3 February 1936	Used to supply British forces in the Dodecanese Dodecanese The Dodecanese are a group of 12 larger plus 150 smaller Greek islands in the Aegean Sea, of which 26 are inhabited. Τhis island group generally defines the eastern limit of the Sea of Crete. They belong to the Southern Sporades island group... after the 1943 armistice, survived the war and was scrapped in 1947.