Jennifer Light argues that the technologies and values of the Cold War fundamentally shaped the history of postwar urban America. documents how American intellectuals, city leaders, and the federal government chose to attack problems in the nation's cities by borrowing techniques and technologies first designed for military engagement with foreign enemies. Experiments in urban problem solving adapted the expertise of defense professionals to face new threats: urban chaos, blight, and social unrest. Tracing the transfer of innovations from military to city planning and management, Light reveals how a continuing source of inspiration for American city administrators lay in the nation's preparations for war.