During the First Battle of Harvest, Utgard Constabulary officers patrolled the Utgard Mall. Two constables named Finn and Lars were the personal bodyguards of Governor Thune. Arcadian Patrol officers defended the colony of Arcadia from the invading Covenant forces during the First Battle of Arcadia. The New Mombasa Police Department had a significant role in the defense of their city during the Battle of Mombasa, where they cooperated with UNSC Marines and ODSTs in various operations around the city.