For ten weeks, U.S. Air Force and Navy bombers have pounded North Viet Nam with unprecedented fury, using a new technology of "smart" bombs guided by television or laser beams to destroy bridges, power plants and factories. The U.S. purpose, according to Lieut. General George Eade, Air Force Deputy Chief of Staff for Plans and Operations, has been threefold: to prevent new supplies from reaching North Viet Nam from the Soviet Union or China, to destroy supplies already on hand and to prevent additional ones from reaching the North Vietnamese forces in the South.
What has been the effect of such concentrated...