Here is the 8,22,2012 Halo Bulletin
http://halo.xbox.com/blogs/Headlines/post/2012/08/22/The-Halo-Bulletin-82212.aspx
Hunters confirmed IN!
PRAISE JESUS!
Edit: and the Gravity Hammer!
Only eight missions?
EDIT: Gravity Hammer confirmed!
Marines in Spartan Ops! 
> Hunters confirmed IN!
>
> PRAISE JESUS!
>
> Edit: and the Gravity Hammer!
2 Hunter related achievements must mean they’ve been significantly improved.
Please be AI improvement, please be AI improvement…
> Only eight missions?
I am dissipointed at this news but maybe the missions will be long like Halo 2 .
> > Only eight missions?
>
> I am dissipointed at this news but maybe the missions will be long like Halo 2 .
I sure hope so…
Those look easy. Hmm…Legendary mode. Very well more dying for me! 8D I’LL TAKE YOU ALL ON! runs out there with my rifle like a mad man
> > > Only eight missions?
> >
> > I am dissipointed at this news but maybe the missions will be long like Halo 2 .
>
> I sure hope so…
This campaign is supposed to be the longest one at around 10-12 hours or more depending on difficulty, and after what i saw from a spartan ops video; those knights are not to be messed with.
Yay legendary alone, oh well i did it once ill do it again.