The Chosen Brigade was a program created by USA-EF to produce and recruit Elite Players into the clan. After many Trials and duels only one member was chosen to join USA-EF, Liberious. The program was considered a utter failure and shut down shortly thereafter.
In it's Second incarnation created by Former USA-EF member Saratoga, Chosen Brigade was a set Squad of BC Veterans including Saratoga, OldDusty, RichieB and others to fight the threat of the "Mighty Devil Dogs" in KM 1.0.
Due to DD's "Operation: Deprivation". Saratoga's CB Clan had no one to fight and disbanded in 2008.