Operation: SILENT STORM

Operation: SILENT STORM was a UNSC Operation against the Covenant aimed at buying humanity time to develop effective countermeasures against Covenant technology. It was comprised of a series of engagements featuring mainly the SPARTAN-IIs and 21st Space Assault Battalion.

UNSC Planning
Following the counter attack on Harvest, Preston Cole convened a meeting to devise Operation: SILENT STORM. To counter attack the Covenant invasion force, the UNSC planned to lay a trap at the Outer Colony world of Biko.

Insurrectionist plot
At the same time, the Insurrectionists were preparing to stage a coup d'etat on Biko in an effort to give the planet to the Covenant in order to defeat the UNSC.

Battle for Seoba
Upon arriving at Bikon moon of Seoba, the UNSC soon realized that the moon was the Insurrectionist's staging ground for their coup.

List of appearances

 * Halo: Silent Storm
 * Halo: Oblivion