This document provides an executive summary of a study conducted by the Air University to examine the concepts, capabilities, and technologies needed for the US Air Force to remain the dominant air and space force in the future. It describes the study's methodology of developing alternative future scenarios and analyzing systems with the highest leverage. It then summarizes the various white papers produced on topics such as awareness, reach and presence, power and influence, and challenges and choices facing the future of the Air Force. The goal of the study is to help the Air Force develop a strategic vision called "Vigilant Edge" to succeed in future national defense.