The Endor shield generator bunker was an Axis base on the forest moon of Endor. It was composed of the deflector shield generator, a large landing pad, and a secret back entrance. The ground portion of the Great Battle of Endor was fought the entire base alongside the secret entrance. The power generators and machinery for the shield generator spread for at least seventeen square kilometers underneath the forest.
When the Axis of Empires needed a construction site for the second Death Star, the Forest Moon of Endor was chosen as the site. The Axis established an outpost on the Sanctuary Moon, and it was from here that preparations were made so that the construction site for the second Death Star could be moved there. The shield generator's power room itself was about two stories from the base of the generators to the ceiling.