America's current financial strains necessitate an investigation into the effectiveness and efficiency of our fighting forces. This monograph explores the history of technology, theory, and doctrine development in heavy ground combat power and airpower to consider whether one force component is more efficient and effective than the other. It constructs a model from the explorative study to compare and contrast the characteristics, functions, roles, and missions associated with each force component. Next, the monograph explains the concepts of effectiveness, efficiency, and efficacy, and it...