Indefatigable-class battlecruiser

• abstract: The Indefatigable class were the second class built of British battlecruisersThe Indefatigable-class ships were formally known as armoured cruisers until 1911 when they were redesignated as battlecruisers by an Admiralty order of 24 November 1911. Unofficially a number of designations were used until then, including cruiser-battleship, dreadnought cruiser and battle-cruiser.

以上来源于: WordNet