hms mars hms mars royal_navy pre dreadnought battleship majestic class seventh member class ships ship laid brothers shipyard june launched march commissioned fleet june armed main battery inch guns secondary battery inch guns ship speed knots mph mars served channel_fleet commissioning accident forward main battery killed men badly damaged turret present vii later year reduced temporarily reserve march returning service channel_fleet october following march reassigned home_fleet tensions europe rose dramatically late july mars mobilized sister ships 9th based guard ship december transferred february decommissioned belfast disarmed mars served troop ship converted depot ship remained service july old ship sold scrap broken november design mars feet long overall beam draft displaced long tons short tons combat load propulsion system consisted cylinder vertical triple expansion steam engines powered coal fired cylindrical boilers oil fired models engines provided speed knots mph indicated horsepower considered good easy roll good suffered high fuel consumption crew officers enlisted men ship armed inch viii guns twin turrets forward aft turrets placed pear shaped barbettes sisters arrangement sisters future british battleship classes circular barbettes mars carried inch guns mounted casemates gun decks amidships carried sixteen pounder guns pounder guns equipped inch torpedo tubes submerged ship hull deck mounted mars ships class inches harvey armour allowed equal protection cost weight compared previous types armour allowed mars sisters deeper lighter belt previous battleships loss protection barbettes main battery protected armour conning tower thickness steel sides ship armoured deck thick service history hms mars laid brothers shipyard june launched march commissioned june service channel_fleet served portsmouth division present fleet review diamond jubilee queen victoria june captain appointed command january succeeded captain barry appointed command september suffered accident april forward inch guns fired breech closed killing officers enlisted men injuring seven forward main battery turret vii august august mars began refit portsmouth refit channel_fleet reorganization january remained renamed unit refit completed march service ended march commissioned reserve portsmouth mars recommissioned portsmouth service new channel_fleet october service ended paid portsmouth march mars recommissioned march service new home_fleet organized january based devonport service underwent july 4th war appearing imminent royal_navy undertook july mars sister ships magnificent victorious formed 9th battle squadron based admiral patrols mars serving guard ship world war began august continued duty 9th battle squadron dissolved august mars transferred december based dover briefly moving portland december based portland february majestic class ships oldest effective battleships service royal_navy february mars transferred belfast paid february march april disarmed retaining inch guns lighter guns inch guns taken arm new lord class monitors earl sir laid april september mars recommissioned serve dardanelles campaign mars similarly disarmed sister ships magnificent acting arrived october dardanelles mars took evacuation allied troops december cape january evacuation mars covered inch guns mounted sir mars returned devonport february paid chatham underwent refit conversion harbor depot ship recommissioned harbor depot ship september served capacity july mars placed sale list july sold scrapping left scrapping ferry november
HMS Mars (1896)