The navigator who inadvertently damages the heat shields by overlooking a critical realignment. Overcome with guilt over Kaneda's death, he is sedated as a suicide risk and eventually takes his own life before the crew can vote on his fate.
Kaneda commands Trey, the navigator, and oversees the course plotting operations.
Searle acts as the ship's psychologist, monitoring and treating Trey's psychological state.
Mace is assigned by the crew to execute Trey to conserve oxygen, but Trey takes his own life first.
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