Complex sentence: Bond later finds out that the "Liparus" has never visited any known port or harbour, and Amasova learns that Bond killed her lover in Austria; she promises Bond that she will kill him when their mission ends.
Split into simpler sentences: Bond later finds out that the "Liparus" has never visited any known port or harbour. Amasova discovers that Bond killed her lover in Austria and she vows to Bond that she will kill him once their mission ends.