Noble Map Pack
From Halopedia, the Halo wiki
Noble Map Pack is containing 3 new multiplayer maps and new Achievements worth 250 Gamerscore and will be released on November 30th for 800 Microsoft Points. The 3 new maps are as follows.
Breakpoint
Breakpoint is similar to, but a little smaller than Glacier, and will support Big Team and Invasion.
Tempest
Tempest have a similar layout to the level Halo on Halo: CE. Tempest will have Free For All ,Team Slayer, Team Objective and Big Team.
Anchor 9
Anchor 9 is the space station on Long Night Solace but will have now an interior. Anchor 9 will support Free For All, Team Slayer and Team Objective.