Canada Royal Canadian Mounted Police Hamilton Disc 1975
RCMP Constable JL Charlton observed and pursued a metallic disc performing maneuvers in the Hamilton Ontario area, experiencing radio communications interference during the pursuit. Hamilton Airport tower tracked the contact. The RCMP filed an official report. The US FBI received a copy due to proximity to the US-Canada border and cross-border visibility of the craft. The case appears in both RCMP and FBI files.