Only the sign remains to indicate the now deflated boom in fallout shelters, at a weed-grown spot in Brooklyn, New York City, Jan. 8, 1963. The model shelter has been removed and the office is closed. During and immediately after the Cuban crisis, new interest was shown in civil defense. But apathy has set in again, authorities report, so that civil defense, while improved, shows little sign of becoming adequate should another crisis arise. (AP Photo)