Galvaburg II

he Galvaburg II (ガルバブルク二世 Garubaburuku Nisei) is the starship used by Galvatron and his Predacons to reach Gaea, also serving as their mobile fortress. It is equipped with heavy armaments capable of shooting spacecraft down from orbit. The Galvaburg II also makes use of an "elemental particle control beam", a device capable of shrinking and enlarging Transformers (and keeping Gigastorm in line).

Beast Wars II cartoon
While being chased by Lio Convoy's Maximals on board the Yukikaze, Galvatron took the Galvaburg II through space and arrived on Gaia. The Galvaburg II effectively crippled the Yukikaze and remained the Predacons' mobile base of operations on Gaia. The Galvaburg II remained operational all the way until the final battle on the artificial planet Nemesis, where it was destroyed when the planetoid self-destructed.

Beast Wars Neo manga
After being refused more complex training programs by Big Convoy, Longrack proposed that they do something more exciting—making an adventure to the abandoned Galvaburg II and see what they could find—only to encounter two strong enemies: Guiledart and Saberback. After Big Convoy saved the rookies, the Maximals found the mysterious Black Ball.

Ask Vector Prime
In Primax 185.0 Beta, the Galvaburg II was the flagship of Galvatron, utilized when the deranged Decepticon Emperor attempted to become Grand Galvatron.

Duel Fight Transformers Beast Wars
The Galvaburg II served as one of the battlefields for the fights over a super-powerful energon crystal.