This work investigates the complex institutional and social transition of the United States military from a segregated force to an integrated organization between 1940 and 1965. Morris J. MacGregor, writing under the auspices of the Center of Military History, utilizes extensive archival records and official documentation to trace the policy shifts within the Army, Navy, Air Force, and Marine Corps. The text argues that the integration of the armed forces served as a critical precursor and catalyst for broader civil rights advancements in American society.

Historians and military scholars regard this volume as the definitive administrative history of military desegregation in the United States. Readers frequently note the academic density of the prose, which provides a comprehensive and rigorous examination of the bureaucratic challenges involved in this institutional transformation.