Fleet Group Two was one of the three fleets of the New Republic that fought in the Yuuzhan Vong War, taking part in both the Battle of Coruscant and the Battle of Ebaq 9. Following the restructuring of the government, the fleet group's individual units were integrated into the broader military.
Alongside Fleet Group One, which was commanded by Admiral Traest Kre'fey, Group Two was positioned directly above Coruscant, serving as the anvil while Fleet Group Three, under the command of General Wedge Antilles, acted as the hammer. General Garm Bel Iblis commanded Fleet Group Two from his flagship, the Imperial-class Star Destroyer Bail Organa. During the conflict, the fleet sustained substantial damage from the overwhelming enemy forces as they assaulted the capital world's defensive systems.
Bel Iblis and the surviving elements of the fleet retreated to the Tapani sector, establishing their base of operations at the shipyards of Tallaan for the subsequent year. During this period, Bel Iblis transferred his command from the Bail Organa to the significantly larger Mon Calamari warship Harbinger. Prior to the planned ambush at Ebaq 9 by Admiral Ackbar, Luke Skywalker traveled to Tallaan with the goal of enlisting Bel Iblis and his forces for the impending battle. He succeeded, and a sizable portion of Fleet Group Two, organized into three distinct battle groups, was deployed to ambush Tsavong Lah's fleet after it had been drawn into the system.
Following the victory at Ebaq, the New Republic underwent a transformation into the Galactic Alliance, and the assets of the fleet group were dispersed among the other units of the new government's defense force.