ninth member ship class built imperial_german_navy named german island built dockyard bremen laid launched april commissioned high_seas_fleet armed main battery guns torpedo tubes capable speed knots mph served german navies half 20th century served fleet abroad career early 1900s world war coastal defense ship support vessel boat campaign atlantic war served briefly withdrawn secondary duties german_navy kriegsmarine rebuilt floating anti aircraft battery defend german ports world war scuttled final days war broken scrap construction ordered contract laid shipyard bremen launched april fitting work commenced commissioned high_seas_fleet ship meters long overall beam draft forward displaced long tons short tons combat load propulsion system consisted triple expansion engines manufactured designed shaft horsepower speed knots mph engines powered coal fired marine type water tube boilers carried tonnes long tons coal gave range nautical miles knots mph crew officers enlisted men ship armed guns single mounts placed forward forecastle located amidships placed aft guns engage targets supplied rounds ammunition shells gun equipped torpedo tubes torpedoes submerged hull broadside ship protected armored deck thick conning tower thick sides guns protected thick shields service history commissioning assigned fleet reconnaissance forces assigned alongside sister cruisers hamburg assigned overseas duty lasted years cruised pacific_coast united_states including stop honolulu december assisted british merchant ship celtic chief run aground reef outside honolulu ship removing cargo pulled free reef returned germany resumed service fleet modernized wilhelmshaven ship guns removed deck mounted torpedo tubes installed provisions carry naval mines returning duty ship withdrawn line service use warfare test ship guns removed outbreak world war august employed coastal defense vessel later war transferred estuary coordinated radio communications boats attacking british merchant shipping end war germany charged sweeping naval mines north_sea treaty versailles depot ship engaged duty commissioned newly reorganized served withdrawn service stricken january barracks ship initially wilhelmshaven newly renamed kriegsmarine kiel remained outbreak world war september converted floating anti aircraft battery stationed initially armament consisted gun guns guns guns later moved wilhelmshaven assigned transferred later war closing days war europe crew scuttled ship prevent captured royal_navy took control naval installation german surrender warships seized including boats badly damaged destroyer german crews ammunition removed weapons ships british supervision subsequently broken scrap
SMS Arcona