class cruiser class consisted armored cruisers built italy decade 20th century sold named ship served greek flagship bulk active career participated balkan wars fighting battles played minor role world war escaping greece german invasion early influenced communist crew suppressed returned greece german evacuation late museum ship surviving armored cruiser world italian ships participated supported ground forces libya naval gunfire helped occupy towns libya islands played minor role world war submarine sank shortly italy joined war sister ship training ship war broken scrap design description class designed italian engineer attempted replicate smaller scale armament armor regina class battleships entering service italians classified large armored cruisers like second class battleships ships displacement considered heavily armed inferior battlecruisers type introduced lengthy construction time class ships length perpendiculars meters overall length meters beam meters draft meters ships displaced metric tons long tons normal load metric tons long tons deep load class complement officers enlisted men propulsion ships powered vertical triple expansion steam engines driving propeller shaft steam supplied belleville boilers designed maximum output indicated horsepower speed knots mph ships exceeded reaching speeds knots mph sea trials ihp cruising range nautical miles speed knots mph nautical miles speed knots mph armament main armament italian class ships consisted guns powered twin gun turrets fore aft superstructure gun fired kilogram armor piercing projectiles muzzle velocity meters second preferred smaller guns purchased britain ship armed nearly half sisters pound shell gun fired muzzle velocity feet second italian ships mounted powered twin gun turrets amidships secondary armament vickers guns fired kilogram shells inch guns aboard kilogram shells fired muzzle defense torpedo boats ships mounted vickers quick firing guns gun fired kilogram muzzle velocity meters second ships fitted guns italian ships equipped submerged torpedo tubes diameter world war guns replaced guns anti aircraft guns received additional gun refit ship light armament changed low angle guns guns low angle guns guns protection ships protected armored belt thick amidships reduced bow stern armored deck thick conning tower armor thick gun turrets protected armour turrets ships careers class armored cruisers originally built ship built speculation sold greece completed named wealthy greek businessman left legacy increase ship participated united_kingdom shortly commissioning served balkan wars instrumental greek victories ottoman_empire balkan war world war active service greece neutral years war riots seized french ensure war end ship participated turkish war helped evacuation refugees defeat reconstructed france rearmed ship seized rebels failed greek coup état attempt present silver jubilee fleet review king george world war ship escaped egypt allied defense began collapse battle greece performed convoy escort patrolling duties indian_ocean end crew early influence communist mutiny suppressed ferried greek government exile athens late decommissioned preserved museum ship near athens armored cruiser existence participated supported libya islands briefly blockaded tripoli supported occupation libya sisters came bombarded fortifications defending entrance dardanelles july end war escorted italian king queen royal yacht germany sweden visit sunk submarine actually submarine flying austro hungarian flag july activities limited threat submarine attack ship participate bombardment albania late war training ship stricken navy list scrapped
Pisa-class cruiser