Empire at War- AOTR: War in the Outer Rim Ep 3 

After taking control of Muunilinst, and a surprise raid by the Rebels, the Empire realized its forces were severely lacking. Holding off on attacking any other planets, the Empire focused its efforts into improving its infrastructure and technology. Next time, the Empire will go back on the offensive and wipe the Black Sun from the Northern sector of the Outer Rim.