This story is free to read. Photo: Con Nooga sci-fi parade marches through Chattanooga photo-con-nooga-sci-fi-parade-marches-through-chat photo-con-nooga-sci-fi-parade-marches-through-chat By Staff Report March 2, 2013 1 min read Con Nooga parade participants march through downtown Chattanooga this morning. The parade went from the Chattanooga Choo Choo to the Chattanooga Convention Center.