Site-19 is the largest and one of the most important Foundation facilities currently in operation
Credit follows the page citation: original by Aelanna; rewritten by the six named collaborators. Claims here use the Site-19 entry and its contained-objects table only. Cited passages were rechecked against the saved October 6 monitor snapshot on October 7, 2026 UTC; the guide remains source-scoped and no gameplay or bilingual validation is claimed.