Minikit 4
While destroying turrets, fly in the open gaps between the two decks of the Finalizer. Enter the purple sphere to start a countdown clock. Fly through the series of spheres, which ends in another purple sphere, before the clock hits zero.
Minikit 5
After a giant turret emerges, destroy 20 additional large turrets.
Minikit 6
Shoot down five Special Forces TIE fighters (they’re carrying proton torpedoes) before destroying the giant turret.