U.S. Strategic Nuclear Forces

Even though the United States has reduced the number of warheads deployed on its long-range missiles and bombers, consistent with the terms of the 2010 New START Treaty, it is also developing new delivery systems for deployment over the next 10-30 years. At the present time, the U.S. land-based ballistic missile force (ICBMs) consists of… Continue Reading U.S. Strategic Nuclear Forces

Iran’s Nuclear Program: Tehran’s Compliance with International Obligations

Several U.N. Security Council resolutions adopted between 2006 and 2010 required Iran to cooperate fully with the International Atomic Energy Agency’s (IAEA’s) investigation of its nuclear activities, suspend its uranium enrichment program, suspend its construction of a heavy-water reactor and related projects, and ratify the Additional Protocol to its IAEA safeguards agreement. Iran did not… Continue Reading Iran’s Nuclear Program: Tehran’s Compliance with International Obligations

Nuclear Negotiations with North Korea

Since the late 1980s, when U.S. officials became aware that North Korea was actively pursuing nuclear weapons capabilities, U.S. administrations have used a combination of pressure, deterrence, and diplomacy to try to reduce the threat posed by a nuclear-armed North Korea. The need for an effective North Korea strategy has become more pressing over the… Continue Reading Nuclear Negotiations with North Korea

Why Do States Build Nuclear Weapons?: Proliferation Models as Concurrent Pressures on a State

Major Curtice applies three theoretical models of nuclear proliferation and argues that they are more accurate when used in conjunction with each other than separately. Nuclear proliferation, Curtice states, occurs when Domestic Politics-Positive and Normative-Positive pressures are greater than their negative counterparts when a state is facing a security threat. By using India as a… Continue Reading Why Do States Build Nuclear Weapons?: Proliferation Models as Concurrent Pressures on a State

Iran Sanctions

    Successive Administrations and Congresses have used economic sanctions to try to change Iran’s behavior. U.S. sanctions on Iran—primarily “secondary sanctions” on firms that conduct certain transactions with Iran—have adversely affected Iran’s economy but have arguably not, to date, altered Iran’s pursuit of core strategic objectives including its support for regional armed factions and… Continue Reading Iran Sanctions

Nonstrategic Nuclear Weapons

Recent debates about U.S. nuclear weapons have questioned what role weapons with shorter ranges and lower yields can play in addressing emerging threats in Europe and Asia. These weapons, often referred to as nonstrategic nuclear weapons, have not been limited by past U.S.-Russian arms control agreements. Some analysts argue such limits would be of value,… Continue Reading Nonstrategic Nuclear Weapons

Future of Weapons of Mass Destruction: An Update

In 2014, John P. Caves, Jr., and W. Seth Carus of the Center for the Study of Weapons of Mass Destruction at National Defense University published a paper on the future of weapons of mass destruction (WMD).[i] That paper projected WMD-relevant geopolitical and technological trends and made judgments as to how those trends would shape… Continue Reading Future of Weapons of Mass Destruction: An Update

New START Treaty: Central Limits and Key Provisions

The Obama Administration and outside analysts argued that New START strengthens strategic stability and enhances U.S. national security. Critics, however, questioned whether the treaty would serve U.S. national security interests because, they argued in 2010, Russia was likely to reduce its forces with or without an arms control agreement and because the United States and… Continue Reading New START Treaty: Central Limits and Key Provisions

U.S. Strategic Nuclear Forces

Even though the United States has reduced the number of warheads deployed on its long-range missiles and bombers, consistent with the terms of the 2010 New START Treaty, it is also developing new delivery systems for deployment over the next 10-30 years. Congress will review plans for U.S. strategic nuclear forces during the annual authorization… Continue Reading U.S. Strategic Nuclear Forces