The specific search term "-Erai-raws- Yamato yo Towa ni - Rebel 3199 - 03" typically refers to the release of the third individual episode (within the 26-episode series format) by the digital distribution group Erai-raws.
If you'd like to dive deeper into this story, I can help you with: Comparing this version to the plot. Explaining the technical specs of the new Dezarium ships. Providing a summary of the previous episode for context.
The episode builds toward the desperate plan to "steal" or reactivate the Yamato.