Well if not desks, tables. I mean, they have to have SOMETHING...[there's a pause as he realizes he's dealing with an organization that transcends space/time] ...or maybe they don't. There has to be some kind of main office or central command room we could dump the letters in though.

[He shrugs.]

This does seem like the kind of group that would have ridiculous titles for no reason...so it's not impossible.

[And he would know a thing or two about ranks and titles within an organization.]