Were you looking for Warrant Officer Shiela Polaski?

Sheila-065[1] was a SPARTAN-II super soldier. Dr. Catherine Halsey witnessed her death at the hands of Thel 'Lodamee during the Battle of Miridem in 2544.[2][3]


  1. Halo Encyclopedia - page 85
  2. Halo: Ghosts of Onyx, page 173
  3. Halo: The Fall of Reach, 2010 revised edition: Bonus Content
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