. . . "Courteous was an Imperial cruiser of unknown class dispatched from the Centrality to blockade the Starcave. It was destroyed just before the Battle of ThonBoka when a negotiating party of Oswaft shouted at it."@en . . . "Courteous"@en . "Courteous"@en . "Courteous"@en . "Courteous was an Imperial cruiser of unknown class dispatched from the Centrality to blockade the Starcave. It was destroyed just before the Battle of ThonBoka when a negotiating party of Oswaft shouted at it."@en .