Introduction: George A. Lincoln: Architect in national security, by R.H. Nye.--The international environment: possibilities, perils, and promises, by R.N. Ginsburgh.--Employing America's military strength in the 1970's, by A.A. Jordan.--The meaning of national military power today and tomorrow, by C.H. Bonesteel.--Security of the North Atlantic Alliance, by R.J. Wood.--National security policy and the Asian area, by G.K. Osborn.--Internal defense and the less developed countries, by P.F. Gorman.--Arms control and national security, by R.G. Gard.--National security policy and international organization, by R.B. Russell.--The central role of the President in the conduct of security affairs, by D.D. Eisenhower.--The role of the Joint Chiefs of Staff in the national security structure, by A.J. Goodpaster.--Military advice in decision-making, by J.W. Seigle.--Security decisions and military technology, by J.E. Cross.--Policy-oriented research: contractors and advisers, by W.P. Snyder.--New approaches to defense decision-making, by W.W. Posvar.