Arms Control and Nonproliferation: A Catalog of Treaties and Agreements – March 2020 Edition

Arms control and nonproliferation efforts are two of the tools that the United States has occasionally used to implement its national security strategy. Although some believe these tools do little to restrain the behavior of U.S. adversaries, while doing too much to restrain U.S. military forces and operations, many others see them as an effective… Continue Reading Arms Control and Nonproliferation: A Catalog of Treaties and Agreements – March 2020 Edition

Russia’s Nuclear Weapons: Doctrine, Forces and Modernization

Russia’s nuclear forces consist of both long-range, strategic systems—including intercontinental ballistic missiles (ICBMs), submarine-launched ballistic missiles (SLBMs), and heavy bombers—and shorter- and medium-range delivery systems. Russia is modernizing its nuclear forces, replacing Soviet-era systems with new missiles, submarines and aircraft while developing new types of delivery systems. Although Russia’s number of nuclear weapons has declined… Continue Reading Russia’s Nuclear Weapons: Doctrine, Forces and Modernization

Russia’s Nuclear Weapons: Doctrine, Forces, and Modernization

  Russia’s nuclear forces consist of both long-range, strategic systems – including intercontinental ballistic missiles (ICBMs), submarine-launched ballistic missiles (SLBMs), and heavy bombers – and shorter- and medium-range delivery systems. Russia is modernizing its nuclear forces, replacing Soviet-era systems with new missiles, submarines and aircraft while developing new types of delivery systems. Although Russia’s number… Continue Reading Russia’s Nuclear Weapons: Doctrine, Forces, and Modernization

New START Treaty: Central Limits and Key Provisions

      The United States and Russia signed the New START Treaty on April 8, 2010. After more than 20 hearings, the U.S. Senate gave its advice and consent to ratification on December 22, 2010, by a vote of 71-26. Both houses of the Russian parliament—the Duma and Federation Council— approved the treaty in… Continue Reading New START Treaty: Central Limits and Key Provisions

Iran’s Nuclear Program: Status

Iran’s nuclear program began during the 1950s. The United States has expressed concern since the mid-1970s that Tehran might develop nuclear weapons. Iran’s construction of gas centrifuge uranium enrichment facilities is currently the main source of proliferation concern. Gas centrifuges can produce both low-enriched uranium (LEU), which can be used in nuclear power reactors, and… Continue Reading Iran’s Nuclear Program: Status

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. However, Tehran has… Continue Reading Iran’s Nuclear Program: Tehran’s Compliance With International Obligations

Russian Challenges from Now into the Next Generation: A Geostrategic Primer

U.S. and Western relations with Russia remain challenged as Russia increasingly reasserts itself on the global stage. Russia remains driven by a worldview based on existential threats—real, perceived, and contrived. As a vast, 11-time zone Eurasian nation with major demographic and economic challenges, Russia faces multiple security dilemmas internally and along its vulnerable and expansive… Continue Reading Russian Challenges from Now into the Next Generation: A Geostrategic Primer

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 (IAE’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. However, Tehran has… Continue Reading Iran’s Nuclear Program: Tehran’s Compliance With International Obligations

Russian Compliance with the Intermediate Range Nuclear Forces (INF) Treaty: Background and Issues for Congress

The United States and Soviet Union signed the Intermediate-Range Nuclear Forces (INF) Treaty in December 1987. Negotiations on this treaty were the result of a “dual-track” decision taken by NATO in 1979. At that time, in response to concerns about the Soviet Union’s deployment of new intermediate-range nuclear missiles, NATO agreed both to accept deployment… Continue Reading Russian Compliance with the Intermediate Range Nuclear Forces (INF) Treaty: Background and Issues for Congress

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, although some analysts argue such limits would be of… Continue Reading Nonstrategic Nuclear Weapons