When I play as the Empire, normally, when I finish up the Empire Strikes Back story on the Equal Footing scenario of Galactic Conquest (by capturing Hoth and Bespin), I would immediately go to Endor to start up the Return of the Jedi story after building up Death Squadron for the inevitable Rebel attack there, aimed at destroying the Death Star II and Emperor Palpatine (we all know how that ended in the movie). Once I engage the Rebel fleet over Endor (even using the Death Star II's Superlaser against said fleet), I would be faced with two options (even if Palpatine, Vader and Piett die during the battle).
1. Retreat from Endor (Results in Death Star II's destruction)
2. Destroying the Rebel Fleet, including Rogue Squadron