Picture urself in a narrow interior with multiple companions, they will get in the way. Consider using LOOT, a tool to sort load order, and using a mod organizer like Nexus Mod Manager (IMHO at the moment the only viable solution as long as Mod Organizer has no stable version for Fallout4) Total War: WARHAMMER.
The setting for this new adventure is the post-post-apocalyptic Vacation Companions are special non-player characters who follow the player, aid them in combat, and provide a unique perk as long as they're in the player's party (whether following them or waiting the perk stops applying when they're dismissed). Then came improvements in the form of the Fallout 4 Script Extender (F4SE), which allowed modders to go beyond what the game normally allowed them to do. Our first mod, and the most popular and largest cheat mod available for Fallout 4 on Xbox One is Cheat Terminal.
They have their dialogues and everything. The NCR has been totally converted to the Imperium, including imperial guard forces, Adeptus Arbites, deathkorps of krieg, space marines and sisters of battle. Using your favourite Mod Manager, apply Archive Invalidation.