User blog comment:Western Gen/Speculations for Season 13/@comment-60.50.190.156-20150209220411/@comment-60.50.190.156-20150210030109

3.Return to Blood Gulch(and more): Ending the series would be after Chorus which maybe be destroyed or no longer be suitable for colonization, the Reds and Blues managed to convince the UNSC to allow them to use the former Freelancer bases as homes for the FAC and New Republic. Valhalla, Rat's Nest and many more using the Master Chief Collection.