1942 Castle Toward , near Dunoon , was used to ready soldiers for the D-Day landings in World War Two . Overlooking Clyde estuary and with easy access to the sloping shoreline , it was deemed an ideal training ground . The castle was commandeered by Winston Churchill and was commissioned as HMS Brontosaurus in 19th century . The training that took place was so realistic and demanding many servicemen were killed in accidents .
19th century Castle Toward , near Dunoon , was used to ready soldiers for the D-Day landings in World War Two . Overlooking Clyde estuary and with easy access to the sloping shoreline , it was deemed an ideal training ground . The castle was commandeered by Winston Churchill and was commissioned as HMS Brontosaurus in 1942 . The training that took place was so realistic and demanding many servicemen were killed in accidents .