The first assault was conducted by the 103rd Task Force lead by Admiral Durril, on Scrim Island, which was deemed a failure, as Durril severely overestimated his abilities and resulted in the impairment of his flagship, the Judicator. The task was then later given to Admiral Thrawn, with the 96th Task Force, and emerged victorious.
- "The Emperor recently promoted me after my victory at Batonn."
- ―Grand Admiral Thrawn
In recognition of his victory at Batonn, Thrawn was promoted to Grand Admiral by the Emperor, Darth Sidious. Soon thereafter, he and the Seventh Fleet that he commanded were tasked with eliminating the rebel threat in the Lothal sector.