Battle of Halycon

The Battle of Halycon was the third major conflict in the Fifty-Years' War. Fought on the UNSC colony of Halycon, the fighting lasted for nearly three months before the UNSC commander, General Sean Johnson, surrendered.
==Timeline==
Two months after UEG president Maria Verde made a speech promising to stay out of a full-scale war with the Confederacy of Systems, Benjamin Davis gave orders for his generals to take a UNSC colony. After surveying targets, Admiral Imdo 'Muposee and General Dominic Green, who were in charge of the attack, selected Halycon.
On March 13, the Confederate forces appeared off-planet. Outnumbering the UNSC defenders by over ten to one, the Confederates quickly swept past the orbital defenses and began landing troops. They then began bombarding the planet's capital. 
The battles between the UNSC defenders and the Confederates were quickly over- Halycon had little very few soldiers compared to the Confederates. However, the Confederates were fought by a large number of guerrillas, including at least one ONI special operations soldier.
The Battle of Halycon was one of the last battles of the First Conflict section of the Fifty-Years' War.
==After the battle==
After the war had ended, it was revealed that ONI had intelligence suggesting that they had knwon that the Confederacy was going to attack Halycon. This is presumed to be what caused Timothy Blayne's defection to the Liberation Movement- he was very close to his parents, who were killed in the bombardments.