Fighting as a unit of the Imperial Army, Pierce's black ops team participated in the Massacre at Haruun Kal, Operation Force Crush, and other battles. In 3653 BBY, around the time of the Treaty of Coruscant, the unit was dissolved as a result of being unneeded--the war was going well enough that they were not needed in conflict.
In 3640 BBY, the squad was reorganized to fight in the Battle of Corellia.