When looking about 3:08 into the Taken King ViDoc, the guardians are in an area called "Hull Breach" A guardian pulls up his/her ghost and you can clearly see the icons for the missions on patrols on the edge of the screen. Right before this clip, the guys from Bungie were talking about Oryx's ship, so there is no doubt in my mind that there are patrols in the ship. Does that mean that sections on the ship are open to explore kinda like the other patrol missions? Does this mean that the ship will act kinda like the planets, in the way of selecting strikes, raids, story, or patrol? I personally think it would be cool to explore the area, and I'm glad that we (maybe) can do patrols on the ship.
[spoiler] I'm pretty sure this hasn't been announced, but maybe I'm just an idiot who is jumping to conclusions [/spoiler]
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I really really hope we'll patrol his ship. I loveeeeee exploring stuff like ships and interior when it comes to sci fi