[url=http://www.bungiestore.com/category/78922128941/1/E3-Collection.htm]Check the Store[/url]. It has a shirt that says "Vanguard". That same symbol is in the demo next to "Public Event Started"
Well it is on the Vanguard shirt as well. And Deej was spotted wearing an FOTC shirt around E3 with Vanguard surely slapped right on the back, so I don't know. They're up to some trickery!
I don't think it will be people who get in the beta because the Vanguard is already on other planets scouting or something.
So its either the scouts of the FOTC/Guardians. Or its Bungie.
Am I the only one thinking the Vanguards are just the ones that give you information and updates?
Like, they're the one giving us details about the planets and the enemy species. Also they're the ones that tell us when something anomalous (public event) happens.
IMO they're not something playable, they're just "scouts"