Halo Timeline • Halo Evolved

Timeline

A timeline of all major events in the Halo universe from the time of the Forerunners through the rule of the Created.

Filtering by: Last Light

Operation: JOVIAN WHISTLE

Operation: JOVIAN WHISTLE was an operation executed by the UNSC 717th Xeno-Materials Exploitation Battalion to recover a Forerunner ancilla on the human colony world of Gao in the Cordoba system in the early summer 2553.