Sharing US Nuclear Weapons
Estimate Arsenal Size
10-20 U.S. non-strategic gravity B-61 warheads at the Büchel Air Base 
Reliable documents indicate that an estimated 130 U.S. nuclear weapons at the Ramstein Air Base were removed between 2001 and 2005. 
Two German PA-200 Tornados,
Non-strategic warheads: B-61-3, B-61-4 
Delivery Aircraft: German PA-200 Tornados
- The U.S. National Nuclear Security Administration (NNSA) is currently modernizing the non-strategic warheads deployed in Europe. NNSA is refurbishing and replacing components of the aging B-61-3 and B-61-4 warheads, converting them into the updated B61-12 model. Under NNSA’s B61-12 Life Extension Plan, the updated warheads will enter full production in 2020 and be deployed by 2024. 
B-61-3: maximum yield of 170
B-61-4: 45 kilotons 
Nuclear Weapons Policies
- In the 2018 Brussels Summit, NATO reaffirmed that the fundamental purpose of NATO’s nuclear forces is deterrence, and that as long as nuclear weapons exist, NATO will remain a nuclear alliance. 
- Germany is a member of the , a group of non-nuclear weapon states dedicated to disarmament, and peaceful nuclear activities as outlined in the and the 2010 NPT Review Conference. 
- Germany, as a NATO country that hosts U.S. nuclear weapons, does not support the Treaty on the Prohibition of Nuclear Weapons (TPNW). It believes U.S. nuclear weapons are vital to Germany’s security. 
State party to the NPT and . Signed and the . 
 Hans M. Kristensen, "Non-Strategic Nuclear Weapons, Special Report No 3," Federation of American Scientists, May 2012, www.fas.org.Hans M. Kristensen, "Status of U.S. Nuclear Weapons in Europe 2010," Federation of American Scientists, 12 February 2010, www.fas.org
 "Nonstrategic Nuclear Weapons," Report by Specialist in Nuclear Weapons Policy Amy F. Woolf, Congressional Research Service, 23 February 2015, www.fas.org.
 Hans M. Kristensen, "Non-Strategic Nuclear Weapons, Special Report No 3," Federation of American Scientists, May 2012, www.fas.org, Robert S. Norris and Hans M. Kristensen, "Worldwide Deployments of Nuclear Weapons 2009," Nuclear Notebook, Natural Resources Defense Council, Bulletin of the Atomic Scientists, November/December 2009, pp 86-98. https://thebulletin.metapress.com.
 United States Government Accountability Office, NNSA Has a New Approach to Managing the B-61-12 Life Extension, but a Constrained Schedule and Other Risks Remain, GAO-16-218, February 2016, pp. 10-25, www.gao.gov.
 Hans M. Kristensen, "U.S. Nuclear Weapons in Europe," Natural Resources Defense Council, February 2005, p. 9, www.nrdc.org.
 "NATO Summit Guide, Brussels 2018," NATO, 11 July 2018, www.nato.int.
 "NPDI Statement for 2015 NPT Review Conference," Statement by the Minister of Foreign Affairs of the Netherlands, 2015 Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons, 27 April 2015, www.un.org.
 "Positions on the treaty" International Campaign to Abolish Nuclear Weapons, 7 July 2017, www.icanw.org.
 Inventory of International Nonproliferation Organizations & Regimes, www.nonproliferation.org; Reaching Critical Will, accessed 29 June 2015, www.reachingcriticalwill.org.