There is offical good document about Black Detach
http://www.youtube.com/watch?v=9IjhQDnoCcY
http://video.google.com/videoplay?docid=9213528526753799697#
http://www.youtube.com/watch?v=9IjhQDnoCcY
http://video.google.com/videoplay?docid=9213528526753799697#