kAoS

CBP3, or the third Community Bonus Pack, is a high-quality bonus pack for Unreal Tournament 3, with levels created by some of the best UT level designers from around the world. Since CBP1 for Unreal Tournament 2003, the CBP has been known for its professional-quality content that is considered an essential addition to any UT200X install. The team has returned for a third installment that will feature multiple volumes; the first volume has now been released.

choose a link

http://forums.beyondunreal.com/showthread.php?t=178350

http://utforums.epicgames.com/showthread.php?t=615454

This is know on the server ALL of the map pack...