A conflict occurred on the lunar surface of Belsus, as documented in the chronicles of the moon, specifically in the year 20 BBY. During this time, a minor detachment of Jedi, under the command of Padawan Flynn Kybo, embarked on a clandestine and unapproved operation. Their objective was the elimination of General Grievous, a key figure within the Separatist Alliance. Ultimately, their endeavor proved unsuccessful, culminating in Kybo's killed in the ensuing engagement.