The disarmament euphoria of the first post-Cold War years has been replaced with enhanced attention to nuclear weapons. In the place of traditional missions assigned to nuclear weapons during the Cold War, new ones have emerged or became relatively more prominent--limited use in primarily conventional conflicts. The enhanced role of nuclear weapons is likely a result of the emergence of a new international system following the hiatus of the post-Cold War period. With the end of the Cold War, the primary mission of nuclear weapons, mutual strategic deterrence of two opposing poles of the international system, largely exhausted itself, leading to hopes that nuclear weapons would lose relevance. The disarmament momentum has, however, largely exhausted itself, at least in its traditional forms and priorities, as the emerging new international system is giving rise to threats and challenges that seem to require a "nuclear response". The emergence of a new, limited-use mission assigned to nuclear weapons increases the likelihood of actual use of nuclear weapons. The increase is modest--perhaps from effectively zero in the last years of the Cold War to maybe 2-3 percent in the future--but an increase nonetheless.

Nikolai Sokov is a senior research associate at the Center for Nonproliferation Studies, Monterey Institute of International Studies. He graduated from Moscow State University in 1981 and subsequently worked at the Institute of USA and Canadian Studies and the Institute of World Economy and International Relations in Moscow. From 1987-92 he worked at the Ministry of Foreign Affairs of the Soviet Union and Russia, dealing with nuclear arms control; he participated in START I and START II negotiations as well as in a number of summit and ministerial meetings. Sokov has a Ph.D. from the University of Michigan (1996) and a Soviet equivalent of a Ph.D. (Candidate of Historical Sciences degree) from the Institute of World Economy and International Relations (1986). Sokov has published extensively on international security and arms control; he is the author of "Russian Strategic Modernization: Past and Future" (Rowman and Littlefield in 2000) and co-author and co-editor of the first college-level textbook on nuclear nonproliferation regime in Russian (PIT-Center, 2000 and 2002).