From Halopedia, the Halo wiki
July 5, 2553
Olindia Riost was a human member of the Gao Republic's Ministry of Protection. During the United Nations Space Command's Operation: JOVIAN WHISTLE, Riost was stationed in the Montero Vitality Center alongside other GMoP and UNSC personnel to aid in the investigation of murders in Gao's Montero Cave System. On July 5, 2553, Riost was in the Vitality Center's employee dorm when a downed Pelican dropship crashed into it and killed her.