Commander Sarah Palmer

Commander Sarah E. Palmer (Service No. 65287-98303-SP) is a senior officer of the SPARTAN-IV Program and a veteran of the Human-Covenant War. After the war, Palmer transferred from the Orbital Drop Shock Troopers to the newly-independent Spartan branch of the UNSC (United Nations Space Command) Defense Force, was augmented as one of the earliest SPARTAN-IV supersoldiers, and currently serves aboard the UNSC Infinity as the commander of its 300-member SPARTAN contingent. Palmer wears the Scout variant of the MJOLNIR GEN2 armor, in lieu of specialized communications models built specifically for Spartan officers.

She is voiced by Jennifer Hale.