Under US occupation, American military bases on Okinawa possessed an arsenal of more than one thousand nuclear weapons. Here US Army technicians conduct maintenance on a Mace missile capable of carrying a one-megaton warhead, 1962. / US National Archives

Under US occupation, American military bases on Okinawa possessed an arsenal of more than one thousand nuclear weapons. Here US Army technicians conduct maintenance on a Mace missile capable of carrying a one-megaton warhead, 1962. / US National Archives