Civil Defense workers in action in Civil Defense drill in New York City for atom bomb attack

Title "A-bomb test, 'Blitz' over New York" superimposed over firemen at night illuminated by spotlight fighting simulated fires from A-bomb attack / WS Brooklyn Bridge and Manhattan / VS people working in Civil Defense headquarters / spotlight at night shining on simulated fire / two shots of water shooting up from simulated water main burst / policemen and civil defense workers keep people moving along / fire truck driving past camera / crowd in street / from left to right, New York City Mayor Vincent R. Impellitteri, Brooklyn Borough President John Cashmore, and Director of Civil defense Arthur W. Wallander talking outdoors / two shots of Wallander in front of crowd speaking / two shots of simulated fire on building / VS firemen fighting simulated fire illuminated by spotlight