The original. Wally Byam Caravan Club International Join the fun and adventure with fellow Airstream owners who belong to the Wally Byam Caravan Club International (the official Airstream owner's club). By owning an Airstream, you qualify to join in the camaraderie. Members meet regularly at rallies and travel together in caravans. WBCCI is the original Airstream community – and has been since 1955.