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During the initial discovery of Requiem, she worked alongside the Master Chief to repel Promethean forces.

Commander Sarah Palmer stands as a cornerstone of the modern UNSC military, bridging the gap between the legendary Spartan-IIs of the past and the new generation of augmented soldiers. As the commanding officer of the Spartan contingent aboard the , her career has been defined by rapid promotion, controversial decisions, and unwavering loyalty to her troops. From ODST to Spartan Pioneer sarah-113-017_jpg.jpg

While "Sarah-113-017" is not a standard canon designation (as Master Chief is John-117 and typical Spartan-IIs use three-digit tags like Sarah-048), Palmer is the most prominent "Sarah" in the Spartan branch. During the initial discovery of Requiem, she worked

Palmer’s leadership was forged in the fire of the . From ODST to Spartan Pioneer While "Sarah-113-017" is

During the ambush on the Infinity at Zeta Halo, Palmer was last recorded escorting Captain Lasky to an escape pod, though her current status remains officially MIA . A Complicated Reputation Sarah Palmer - Character - Halopedia, the Halo wiki

In one of her most controversial moments, Palmer attempted to assassinate Dr. Catherine Halsey under orders from ONI, resulting in the doctor losing an arm.