"Spanish ship Poseidon" . "27.78" . "55.9" . "Sunk near Nouakchott 2011" . . . . "''Poseid\u00F3n'' (A-12)" . "1964-08-08" . "Spanish ship Poseidon" . "10.0" . "1964-08-08" . . "1962-03-21" . "4.0" . "2000-01-17" . . .