Battle Group X-Ray

"We returned to Harvest with enough firepower to assault the vaults of Heaven."

- Preston Cole, describing X-Ray going into the Second Battle of Harvest

Battle Group X-Ray was a battle group fleet given to Admiral Cole to command in 2526.

Harvest
On March 1, 2526, Battle Group X-Ray engaged the Covenant over Harvest. The engagement resulted in the destruction of 13 UNSC vessels and a single Covenant super-destroyer.

SILENT STORM
Seven days after the battle at Harvest, Admiral Cole as well as several others formulated Operation: SILENT STORM. The group predicted that the Covenant would likely attack Biko. With this, Task Force Yama would secretly waiting to counter-attack the Covenant when they got there. At the same time, Battle Group X-Ray would start harassing Covenant forces independently of Yama.

Post-2526
The battle group was disbanded or transferred to another flag-officer sometime prior to the Battle of Psi Serpentis, as Admiral Cole then commanded UNSC Battle Group India.

Main force
Battle Group X-Ray was comprised of 40 Warships.
 * 5+ s
 * 9+ frigates
 * 5+ s
 * 7+ destroyers
 * UNSC Tharsis
 * Unknown
 * UNSC Tharsis
 * Unknown
 * UNSC Tharsis
 * Unknown
 * UNSC Tharsis
 * Unknown
 * Unknown

List of appearances

 * Halo Wars: Genesis
 * Halo: Evolutions - Essential Tales of the Halo Universe
 * The Impossible Life and the Possible Death of Preston J. Cole
 * Halo: Ground Command
 * Halo Mythos
 * Halo: Silent Storm
 * Halo: Oblivion