Contents: (1) Intro.: The Sources of Weapon Systems Innovation; (2) R&D in the Army: Changing Institutional Patterns of Army R& D after World War II; The Content of R&D in the Arsenal System; The Decline of the Arsenal System; (3) R&D in the Navy: Bureau of Ordnance; Bureau of Aeronautics; Bureau of Ships; From Bureaus and Laboratories to System Commands and Research Centers; (4) R&D in the Air Force: From Army Air Corps to U.S. Air Force, 1907-1950; Growth and Diversification: The Air Research and Development Command, 1950-1961; Reintegration: R&D in the Air Force Systems Command, 1961-1991; Coming Full Circle: Patterns of Organizational Change in Air Force R&D Since 1945; (5) Review and Retrospect. Biblio.

Contributions to Naval History No. 6. Presents Professor Muir's account of the thirty-year development of surface warfare capabilities, especially within the Navy's cruiser and destroyer force. Pays particular attention to the development of weapons, the evolution of sensors and command and control systems, and the institutional steps taken to professionalize the surface warfare community.