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Captain Wren was a UNSC officer that Admiral Cole contacted to discuss the uses of the UNSC Io who the former suggested to use Io as a "fire ship" prior to the Battle of Psi Serpentis.[1]


  • In Ornithology, Wren refers to some twenty genera of Passeriform birds.
  • A wren is a common nickname for enlisted women serving in the Royal Navy.



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