From Halopedia, the Halo wiki
Petty Officer Second Class
Petty Officer Second Class Anagnos was a non-commissioned officer assigned aboard the UNSC Everest.
On March 7, 2526, she escorted Staff Sergeant Avery Johnson to the ship's secure conference suite prior to Operation: SILENT STORM.
In appearance, Anagnos had pale skin, with hazel eyes and short red hair, and was regarded as physically good-looking. She appeared to find Johnson attractive.