2014 Reprint of 1961 Edition. Full facsimile of the original edition. Not reproduced with Optical Recognition Software. This study is an attempt to identify the meaning of arms control in the post war period. It presents an analysis of arms control with particular emphasis on the military policy involved. The general objectives of the study is to advance some aspects of the intellectual state of the art in arms control and to provide some concrete data on the technical and strategic problems of importance. Schelling remains relevant today for his work on game theory.