Over 1200 hours, never seen this before (although Google says other players have with companions in power armor). Not had this problem with Cait or Piper, only Curie, and only with her weapon drawn. T-60, no problem. Seems to be X-01 only. Just another annoying bug. Between this, Sanctuary constantly dropping to zero beds, people wandering off in the middle of conversations, NPCs that can shoot through walls while I can't even shoot through a leaf, and all the other irritating little glitches, I've about had it. Nothing is game-breaking by itself, but it's death by a thousand cuts. DLC will not help if they can't fix the base game. I've been a fan of Bethesda games since Morrowind, but...