The Mission to Utapau took place before the Battle of Utapau, and it is assumed that it followed the Battle of Coruscant.
Kom'rk and Jaing, who were Null ARC troopers, conducted a search of Utapau in an effort to locate the surviving leaders of the Confederacy of Independent Systems.
Republic forces uncovered the presence of General Grievous along with the Separatist Council, subsequently notifying Supreme Chancellor Palpatine without delay, resulting in Jedi General Obi-Wan Kenobi being sent to eliminate Grievous.