Rubuta ci gaba don wannan sakin layi - Dukkanin jiragen ruwa guda bakwai sun yi aiki mai yawa a cikin Tekun Bahar Rum a lokacin Yaƙin Duniya na II, inda suka ci gaba da shiga cikin sojojin Birtaniya na Royal Navy. Jiragen ruwa masu nauyi na Italiya sun halarci Yaƙe-yaƙe na Calabria, Taranto, Cape Spartivento, Cape Matapan
, Na farko da na biyu Sirte tsakanin 1940 da 1943. Uku daga cikin "Zara"s,, da kuma "Pola" an nutsar da su a cikin wani aiki na dare tare da jiragen ruwa na Birtaniya a yakin Cape Matapan a 1941, "Trento" ya yi ta da kuma nutsewa da sojojin Birtaniya a watan Yunin 1942, kuma "Bolzano" ya lalace sosai ta hanyar jirgin ruwa na Birtaniya a watan Agustan 1942, wanda ya bar ta daga aiki don sauran yakin. Jirgin saman Amurka mai nauyi ya kai hari kan La Maddalena a watan Afrilu na 1943, ya nutsar da "Trieste" kuma ya lalata "Gorizia" sosai; Daga baya kwamandojin Italiya suka kai wa jirgin da "Bolzano" hari yayin da Italiya ke ƙarƙashin mamayar Jamus a 1944 don hana Jamusawa gyarawa da sake kunna su. Dukansu an tashe su kuma an yi watsi da su bayan yakin.