<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo Ama-US S wigwags nawo asetshenziswa yi-CPR emigqeni yawo yaseCanada.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yomusho ithi I-USS wigwags nayo yayisetshenziswa yi-CPR emigqeni yayo yaseCanada; okwakugcina okwakusetshenziswa ku-CPR kukholakala ukuthi kwasuswa eChatham, e-Ontario maphakathi nawo-1980. 