The Monitor and the Merrimack were recreated in models one third of their actual size, and the battle scenes between them were filmed in the big tank at Pinewood Studios, England. Full scale cannon on the ironclads sets and sailing ships of the line were fiberglas, designed and molded by armorer Roger Ragland. The molds were pulled from originals guns at the Confederate Naval Museum Columbus Ga. They were rigged to fire and recoil electrically by Ragland. In total there were 7 guns made 1 B ...[Read Story ]