Possible Clues:

• Corsair's vessel
• Three-mast sailing vessel
• Old-timey sailing ship with three masts
• Small three-masted Mediterranean sailing ship with lateen and square sails
• Old Mediterranean pirate ship finds marker to be in European community
• Looking heavenward, Anglicans bore empty cross in vessel from Algeria
• Small three-masted vessel, formerly used by Algerian pirates
• Old vessel - cross early, but English clipper leads...