is the 6th Chapter/6th main story mission in Borderlands 3. It is unlocked when you complete the mission Sanctuary
. The recommended level should be around 12, and after this mission you unlock the ability to equip class mods.
For a readable version of the walkthrough: IGN's Wiki guide is the place to be.https://www.ign.com/wikis/borderlands-3/Hostile_Takeover
For those that need a more visual
guide, check out this one by YouTuber "ZaFrostPet."