The crews originated from two main organizations as well as from smaller Americorps organizations such as Americorps St. Louis ' Emergency Response Team ( ERT ) .
Two main organizations are the National Civilian Community Corps ( NCCC ) and the Washington Conservation Corps ( WCC ) .
The crews originated from two main organizations , the National Civilian Community Corps ( NCCC ) and the Washington Conservation Corps ( WCC ) , as well as from smaller Americorps organizations such as Americorps St. Louis ' Emergency Response Team ( ERT ) .