Arsenal Size

• Ukraine does not possess nuclear weapons.[1]
• Ukraine had 1,900 Soviet strategic nuclear warheads and between 2,650 and 4,200 Soviet tactical nuclear weapons deployed on its territory at the time of independence in 1991.[2] 176 Soviet ICBMs were located in Ukraine (130 SS-19 ICBMs and 46 SS-24 ICBMs), and 44 strategic bombers.[3]

Destructive Power

• N/A

Progress in Disarmament

• By 1996, Ukraine transferred all Soviet-era strategic warheads to Russia.[4]
• Ukraine received extensive assistance to dismantle ICBMs, ICBM silos, heavy bombers, and cruise missiles from the U.S. funded Cooperative Threat Reduction Program. ICBM silos were destroyed by 2002, ICBMs were dismantled or transferred to Russia, and heavy bombers were eliminated by 2001.[5]
• Former President Yanukovych announced at the 2010 Nuclear Security Summit that Ukraine would remove all of its HEU by 2012.[6] The Ministry of Foreign Affairs confirmed in March 2012 that all of the HEU had been transferred to Russia.[7]

Nuclear Weapons Related Policy, State Party to

• Treaty on the Non-Proliferation of Nuclear Weapons (NPT)
• Partial Nuclear Test Ban Treaty (PTBT)
• Comprehensive Nuclear Test Ban Treaty (CTBT)
• START I (the first Strategic Arms Reduction Treaty)
• Ratified the Lisbon Protocol to START I.[8]

Sources:
[1] Joseph Cirincione, Jon B. Wolfsthal, Miriam Rajkumar, Deadly Arsenals: Nuclear, Biological, and Chemical Threats, (Washington, DC, Carnegie Endowment for International Peace, 2005), p. 373.
[2] Joseph Cirincione, Jon B. Wolfsthal, Miriam Rajkumar, Deadly Arsenals: Nuclear, Biological, and Chemical Threats, (Washington, DC, Carnegie Endowment for International Peace, 2005), p. 373.
[3] Joseph Cirincione, Jon B. Wolfsthal, Miriam Rajkumar, Deadly Arsenals: Nuclear, Biological, and Chemical Threats, (Washington, DC, Carnegie Endowment for International Peace, 2005), p. 373.
[4] Hans M. Kristensen, Alicia Godsberg, Jonathon Garbose, "Ukraine Special Weapons," Nuclear Information Project: Federation of American Scientists, www.fas.org .
[5] Joseph Cirincione, Jon B. Wolfsthal, Miriam Rajkumar, Deadly Arsenals: Nuclear, Biological, and Chemical Threats, (Washington, DC, Carnegie Endowment for International Peace, 2005), pp. 378-379.
[6] "NNSA Achieves Milestone in Removal of HEU from Ukraine," National Nuclear Security Administration, 31 December 2010, nnsa.energy.gov.
[7] Pavel Podvig, "Ukraine removed all HEU from its territory," International Panel on Fissile Materials, 22 March 2012, www.fissilematerials.org.
[8] Inventory of International Nonproliferation Organizations and Regimes: Ukraine, James Martin Center for Nonproliferation Studies, cns.miis.edu; Treaty between the United States of America and the Union of Soviet Socialist Republics on Strategic Offensive Reductions (START I), Nuclear Threat Initiative (NTI), www.nti.org.