"That's it. The Allies are there."
"My lord, there are so many uncharted settlements. It could be smugglers, it could be…"
"That is the system. And I'm sure Skywalker is with them."
-Darth Vader and Admiral Kendal Ozzel discover Echo Base
Echo Base was the Alliance of Nations facility established on Hoth early on in the First Multiverse War. The Alliance abandoned the base following the Battle of Hoth. however, a Axis remnant force temporarily occupied the ruins of it in 2399 to try and find information regarding a number of Allied research projects.