Italian warships in close formation in the 70’s. left to right: – Luigi Rizzo (F 596), a Begamini class frigate. – Indomito (D 559), a Impetuoso class destroyer. – Caio Duilio (C 554), a helicopter cruiser of the Andrea Doria class. – Intrepido (D 571), a guided-missile destroyer of the Impavido class.