This volume investigates the historical evolution of close air support (CAS) doctrine and its integration into combined arms operations. Benjamin F. Cooling, a noted military historian and educator, utilizes a series of specific historical engagements to analyze how air power has been applied to support ground forces. The work argues that the effectiveness of CAS is contingent upon the synchronization of communication, command structures, and technological capabilities across different eras of warfare.

Experts in military history recognize this work as a foundational text for understanding the institutional development of air-ground cooperation. Readers frequently note the academic rigor and the detailed archival research that informs the author's analysis of past conflicts.