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The '''{{PAGENAME}}''' is an experimental [[TauT'au]] device to allow for [[FTL|faster-than-light]] travel.{{Fn|1a}}

===History===The device was developed by [[Earth Caste]] scientist [[Ka'buto]] through years of studying [[Imperial]] FTL technology and the old wreckages wreckage of [[Kroot]] [[Warsphere]]s. Once fitted to a space vessel, the module creates a bubble of [[Wikipedia: Anti-Matter|anti-matter]] around the ship and propels it at such a speed that it can pierce the fabric of reality itself. Initial test flights were incredibly successful and allowed any vessel equipped with one to traverse the entire span of the empire [[T'au Empire|Empire]] within a few days, a journey that previously required many months.{{Fn|1a}}

However , despite Ka'buto's warnings, the [[Ethereal Council]] activated hundreds , if not thousands of , of AL-38 modules simultaneously at [[Numenar Point]] to begin the [[Fourth Sphere of Expansion]]. The resulting mass use of anti-matter created a tear of reality that swept the Tau T'au fleet away. In the aftermath of the Numenar Point disaster the Ethereals scrapped the entire AL-38 program.{{Fn|1a}}

However , decades later it was discovered that the Tau fleet had not been destroyed but instead transported across much of the [[galaxy]], leaving behind a wormhole that would become known as [[Startide Nexus]].{{Fn|1a}}

After the disaster at [[Numenar Point]], all the modules were disassembled and returned to storage at the [[Earth Caste]] facilities. [[Ka'buto]] and his team presumably continued to improve upon the device, in the hopes of a [[Sixth Sphere of Expansion|6th Sphere Expansion]].{{Fn|1b}}

==Canon Conflict=Trivia==={{Trivia}}====Conflicting sources====*The Tau T'au possessed slow but working FTL in the form of [[Gravitic Drive]]s and [[Gravitic Hook]]s prior to the [[Codex: T'au Empire (8th Edition)|8th Edition Codex]].{{Fn|2}} However , in the 8th Edition, the Tau T'au were retconned into possessing no true FTL until the [[invention of the AL-38 Slipstream Module]].{{Fn|1a}}

===Sources===*1: [[Codex: Tau Empire (8th Edition)]]: