ProtectedSubmarines New smaller Italian sub By ANI - February 26, 2023 0 449 Italian shipbuilder Fincantieri has unveiled a design for the S800 submarine, based on the S1000 (pictured here) but smaller. (Fincantieri graphic) Italian shipbuilder Fincantieri showcased at IDEX its latest S800 light submarine, designed for covert operations in shallow-waters and said to have grabbed the attention of Pakistani and Gulf region customers, Defense News reports. Please Login to view this content. (Not a member? Join Today!)