Sangheili Major: "Brute ships. Staggered line! Shipmaster, they outnumber us, three-to-one!"
Rtas 'Vadum: "Then it is an even fight. All Cruisers, fire at will! Burn their mongrel hides!"
I'll be keeping an eye on this thread.
As far as I know, the trailer soundtracks haven't been released.
I've been looking all over for them, and I can't find anything, so.
Hopefully someone else will know where to find them, or know if they're even out yet. :)