. "These two armed merchant cruisers are not as fast or as enduring as the ones from the Victorian or Alcantara classes. They were originally built as passenger liners for the P&O line and were used for the passenger and mail service to Australia."@en . . . "These two armed merchant cruisers are not as fast or as enduring as the ones from the Victorian or Alcantara classes. They were originally built as passenger liners for the P&O line and were used for the passenger and mail service to Australia."@en . "Mantua class"@en .