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“For 50 years, the Arms Control Association has educated citizens around the world to help create broad support for U.S.-led arms control and nonproliferation achievements.”

– President Joe Biden
June 2, 2022
Daryl Kimball

Biden, G-7 Must Deliver on Disarmament at Hiroshima


March 2023
By Daryl G. Kimball

In the midst of Russian nuclear threats in its war on Ukraine and an accelerating global nuclear arms competition, U.S. President Joe Biden and other leaders of the Group of Seven (G-7) industrialized states will convene for their 2023 summit in Hiroshima, Japan.

In this photo taken on August 6, 2021, the Hiroshima Prefectural Industrial Promotion Hall, as it was known before 1945, and now called the Atomic Bomb Dome, is seen through the cenotaph at the Peace Memorial Park in Hiroshima as the city marks the 76th anniversary of the world's first atomic bomb attack. (Photo by YASUYOSHI CHIBA/AFP via Getty Images)The May 19–21 gathering creates a crucial opportunity for Biden and his counterparts to recognize the horrors of nuclear war and reaffirm the goal of a world free of nuclear weapons while pledging concrete steps to halt the arms race, guard against nuclear weapons use, and advance nuclear disarmament. Anything less would be a failure of leadership at a time of nuclear peril.

To his credit, Japanese Prime Minister Fumio Kishida chose Hiroshima, his home city, as the summit venue “to deepen discussions so that we can release a strong message toward realizing a world free of nuclear weapons.” In addition to the usual G-7 communique, Japan is proposing a separate joint statement on nuclear matters. Kishida told French President Emmanuel Macron in January that the leaders must “demonstrate a firm commitment to absolutely reject the threat or use of nuclear weapons.”

To do so, the G-7 statement should not only reaffirm that “a nuclear war cannot be won and must never be fought,” but also reiterate the powerful Nov. 16 statement by the Group of 20 countries that nuclear weapons use and threats of nuclear use are “inadmissible.” Agreement on such a statement may not be easy because all G-7 states, including host Japan, cling to nuclear deterrence strategies that depend on the threat of nuclear weapons use.

To be credible, the G-7 leaders also should pledge to follow through on their countries’ own, largely unrealized nuclear Nonproliferation Treaty (NPT) Article VI-related disarmament commitments, including to reduce the role, salience, and number of nuclear weapons. NPT obligations and commitments cannot be voided or delayed indefinitely.

In fact, pursuing disarmament is vital to preventing the international security environment from deteriorating further. With the last remaining Russian-U.S. nuclear arms control agreement expiring in 2026, the G-7 must urge the prompt resumption of talks to restore inspections under the New Strategic Arms Reduction Treaty and a new nuclear arms control framework.

To more effectively encourage China to exercise nuclear restraint, Biden and the rest of the G-7 should pledge not to support the development of new types of nuclear weapons, including U.S. sea-based nuclear-armed cruise missiles that Biden opposes but some U.S. and Japanese politicians claim are needed to counter China. Biden also should recognize China’s important role in strengthening the fragile nuclear order and invite President Xi Jinping to explore how the two nations can partner to address common nuclear nonproliferation challenges, including North Korea, and disarmament responsibilities.

In response to appeals from the mayors of Hiroshima and Nagasaki to engage their local communities to understand the reality of nuclear war, Japanese government sources say arrangements are being made for the G-7 leaders to visit the Hiroshima Peace Memorial Museum, which U.S. President Barack Obama toured in 2016.

Any U.S. presidential visit to Hiroshima is symbolically and politically important. Serious reflection and engagement with atomic bombing and testing survivors should be a job requirement for the leader of any nuclear-armed state. The G-7 would be smart to acknowledge the harm of the U.S. atomic bombings in 1945, as well as the environmental damage created by the nuclear weapons production and testing activities by all nuclear-weapon states, and to reaffirm their obligation to fully address these devastating impacts.

Biden, who pledged in 2020 to “restore American leadership on arms control and nonproliferation…and work to bring us closer to a world without nuclear weapons,” must provide even bolder leadership. In addition to supporting the strongest possible G-7 statement, joining other leaders at the museum, and laying a wreath in honor of those who perished from the atomic bombings, Biden should make a separate address in Hiroshima or Nagasaki outlining his own vision for a new global nuclear restraint and disarmament dialogue.

Biden could use such a speech to reiterate his invitation to Russian President Vladimir Putin to hold serious talks designed to maintain commonsense limits on or, ideally, further reduce Russian and U.S. nuclear stockpiles and to elaborate on why such an approach is essential for U.S., allied, and global security. Biden could remind other nuclear-armed states, particularly China, France, India, Pakistan, and the United Kingdom, that they need to be part of the solution and urge them to freeze the overall size of their nuclear weapons stockpiles as long as the United States and Russia continue to reduce theirs.

At a time of unprecedented nuclear danger, Japan’s decision to bring G-7 leaders to Hiroshima is an obvious yet bold choice. To be successful, Kishida and Biden must make the Hiroshima summit more than a symbolic backdrop. It must be a catalyst for bold, effective disarmament action to ensure that no country suffers the horrors of nuclear war ever again.

In the midst of Russian nuclear threats in its war on Ukraine and an accelerating global nuclear arms competition, U.S. President Joe Biden and other leaders of the Group of Seven (G-7) industrialized states will convene for their 2023 summit in Hiroshima, Japan.

We Must Prevent a New Nuclear Arms Race

Russian President Vladimir Putin’s calamitous invasion of Ukraine has killed at least tens of thousands, displaced millions, and disrupted countless lives around the globe. Putin’s implied threats to use nuclear weapons against any who would interfere, have also raised fears of a nuclear conflict in ways not seen since the end of the cold war. Now, Putin is backing away from the last remaining bilateral treaty capping Russian and U.S. nuclear arsenals, the world’s two largest . The decision could open the door to an unconstrained, destabilizing and dangerous global arms race involving Russia...

U.S., Marshall Islands Sign Deal on Nuclear Testing Impacts


March 2023
By Daryl G. Kimball

After months of wrangling, negotiators from the United States and the Republic of the Marshall Islands signed a memorandum of understanding (MOU) on a new Compact of Free Association agreement that will govern relations between the two nations for the next 20 years.

A satellite image of the craters caused by U.S. nuclear testing in 1946–1958 on Enewetak Atoll in the Marshall Islands. When well water was detected as radioactive in 1977, islanders were forced to leave. They are still unable to safely return.  (Photo by Gallo Images/Orbital Horizon/Copernicus Sentinel Data 2021 via Getty Images)Joseph Yun, special envoy for compact negotiations, signed the MOU for the United States and Minister of Foreign Affairs and Trade Kitlang Kabua signed for the Marshall Islands on Jan. 12 in Los Angeles. That same day, the United States also signed an MOU for a new compact with the island nation of Palau. On Feb. 10, the United States signed a similar MOU with the Federated States of Micronesia.

The funding provisions for the current agreements with the Marshall Islands and the Federated States of Micronesia expire in September 2023 and for Palau in September 2024.

The extension of the compacts will guarantee the United States exclusive military rights over large areas in the Pacific region at a time of increasing tension and competition with China. The three island nations were formerly U.S. territories that came under the direct control and administration of the United States during World War II. Combined, they cover a maritime area larger than the continental United States, include some 1,000 islands and atolls, and have a population of approximately 200,000 people, according to the U.S. Congressional Research Service (CRS).

The MOUs outline key agreements expected to be reflected in the final compacts. Negotiations on an updated compact between the United States and the Marshall Islands, the details of which must still be hammered out, have been particularly contentious. (See ACT, November 2022.)

The new compact with the Marshall Islands will extend U.S. military basing rights at the Ronald Reagan Missile Defense Site on Kwajalein Atoll and U.S. security rights across the island chain. It also seeks to update and expand U.S. financial and technical assistance to the Marshall Islands, including for the health and environmental damage caused by the 67 atmospheric nuclear test explosions conducted between 1946 and 1958.

After World War II, the U.S. military forcibly displaced thousands of people in the Marshall Islands to allow for nuclear weapons testing and other military activities, which have severely damaged the health and environment and livelihoods of the Marshallese.

The U.S. nuclear test explosions totaled about 108.5 megatons, which is the equivalent of one Hiroshima-size bomb every day for 20 years and more than 100 times the total explosive power of all the atmospheric tests carried out at the Nevada Test Site. The nuclear tests caused severe and widespread fallout, including at levels that resulted in immediate, observable harm, such as hair loss, vomiting, diarrhea, and burning of the skin, and a greatly elevated longer-term cancer risk.

The Bikini and Enewetak atolls suffered the most severe direct physical devastation from the testing. Land, lagoons, coral reefs, and the oceanic environment remain contaminated over six decades later. A large radioactive waste disposal site, the Runit Dome in Enewetak Atoll, was created for radioactive waste from Marshall Islands testing and from the Nevada Test Site. It is leaking, and the Enewetak lagoon contains about 100 times more plutonium than the inventory under the Runit Dome.

Under the first compact with the Marshall Islands in 1986, a nuclear claims tribunal was established and mandated that the United States place $150 million in a trust fund to pay for the nuclear-related claims and awards. But the compact released the United States from legal liability for all further claims related to the nuclear testing program and its long-term impacts. The tribunal later concluded that the United States should pay $2.3 billion in claims.

This difficult experience has led the Marshall Islands negotiators to urge the United States to provide more financial and technical support to address ongoing health, environmental, and economic issues resulting from the Cold War-era testing in their homeland.

In a Sept. 29, 2022, joint declaration, the United States said it “remains committed to addressing the Republic of the Marshall Islands’ ongoing environmental, public health…and other welfare concerns.”

Yun said that, under the new MOU, the United States would pay “nuclear-affected communities’ health, welfare and development,” including building a new hospital, the Associated Press reported on Jan. 12.

Yun also said the amounts will be far greater than what the United States had provided in the past and that the Marshallese would be given control over how that money is spent.

Pursuant to past Marshall Islands compacts, the United States provided grant assistance worth approximately $661 million and $309 million on nuclear test-related assistance and compensation, respectively, between 1987 and 2003. During the second compact term, from 2004 to 2023, U.S. grant assistance and trust fund contributions totaled $722 million and $276 million, respectively, according to the CRS.

According to a copy of the U.S.-Marshall Islands MOU obtained by Arms Control Today, key agreements in the document include U.S. assistance of $50 million annually beginning in fiscal year 2024, $200 million over 20 years for joint health care programs and a new joint strategic health initiative, and funding for technical assistance and expertise to cope with the climate impacts that threaten the existence of the low-lying islands and for environmental programs.

In addition, the MOU provides for $10 million for improving accessibility to documents and information relating to the U.S. nuclear testing program, $5 million for a museum and research facility on that testing program, and $700 million for a “repurposed trust fund for priorities determined by the Marshall Islands in accordance with procedures to be mutually agreed.”

With the MOUs concluded, separate agreements regarding the services to be provided under U.S. law by U.S. federal agencies to the Marshall Islands, Palau, and Micronesia will be negotiated and become part of the final compact arrangements. The final compacts must be approved by the U.S. Congress.

The agreement will govern relations between the two nations for the next 20 years.

Strengthening the Nuclear Taboo in the Midst of Russia's War on Ukraine

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Volume 15, Issue 1*
February 22, 2023

One year ago, Russian President Vladimir Putin unleashed a massive invasion on independent, democratic, non-nuclear Ukraine that has killed thousands, displaced millions, and created economic, social, and political disruption on a global scale.

Putin's war, along with his implied threats of nuclear weapons use against any who would interfere, has also raised the specter of a nuclear conflict in ways not seen in the post-Cold War era. It has also derailed bilateral U.S.-Russian talks on implementation of existing and new arms control measures.

If nuclear weapons are used in this conflict or any between nuclear-armed adversaries, we are in uncharted territory. Theories that a nuclear war can be “limited” are just theories. Once and if nuclear weapons are used in a conflict involving the United States and Russia, there is no guarantee it would not quickly become an all-out nuclear conflagration.

As U.S. President Joe Biden warned Oct. 6, 2022, “I don’t think there’s any such thing as an ability to easily use a tactical nuclear weapon and not end up with Armageddon.”

A recent Princeton Program on Science and Global Security simulation estimates the use of nuclear weapons in war between NATO and Russian forces that begins with a small number of nuclear detonations from short-range systems in a regional war could quickly escalate and lead to the death and injury of nearly 100 million people in just the first few hours.

So far, the 78-year-old taboo against the use of nuclear weapons has held, but we cannot take for granted. Tragically, the end of the war is nowhere in sight, and the danger of nuclear escalation still looms.

To preserve and strengthen the consensus against nuclear weapons use and threats of use, civil society and the international community must sustain pressure against those who might try to break the nuclear taboo.

The Nuclear Dimensions of the War

In February, April, and September 2022, Putin made veiled threats of nuclear weapons use in the event that any state attempts to interfere in Russia's massive military assault on Ukraine.

“No matter who tries to stand in our way ... they must know that Russia will respond immediately, and the consequences will be such as you have never seen in your entire history,” Putin said Feb. 24.

During a televised meeting Feb. 27, Putin ordered the Russian defense minister, Sergey Shoygu, and the chief of the military’s general staff, Valery Gerasimov, to put Russia's long-range nuclear forces on a “special regime of combat duty.” Putin described the move as a response to NATO powers’ making what he called “aggressive statements.”

Putin’s order most likely served as a preliminary command designed to bring Russia's strategic nuclear systems into a working condition, not necessarily to prepare those forces to carry out a first strike. Nevertheless, the command was a provocative nuclear signal designed to intimidate.

Two months later, Putin reiterated his warning against outside interference in Ukraine that “creates an unacceptable threat of a strategic nature for Russia,” saying that the Russian response “lightning-fast [as] decisions on this matter have been made.”

Both the United States and the Soviet Union issued various kinds of nuclear threats and alerts during the Cold War, before the 1962 Cuban missile crisis and after. However, Russia’s current implied nuclear threats to shield an attack by a nuclear-armed state against a non-nuclear-weapon state are unprecedented—and unacceptable—in the post-Cold War era. Plus, since the Soviet Union’s dissolution in 1991, no U.S. or Russian leader has raised the alert level of nuclear forces to try to coerce a potential nuclear adversary’s behavior.

To his credit, Biden has not responded by issuing reciprocal threats against Russia or by raising the alert levels of U.S. nuclear forces. Instead, Biden has reaffirmed that U.S. and NATO forces would not become engaged directly in the war, while still providing the necessary assistance to help Ukrainians defend their country.

“We won't be intimidated by Putin's rhetoric,” the White House emphasized in October. This stance took the punch out of Putin’s threats and has, so far, helped ensure that the Russian nuclear bully does not get his way.

But in the early weeks of the all-out Russian invasion, Biden simply referred to Russia’s “occasional nuclear rhetoric” as “dangerous and extremely irresponsible,” implying that some types of nuclear threats are "responsible." The United States and NATO, of course, exercise similar deterrence strategies that rely on the credible threat of nuclear weapons use.

France, the United Kingdom, and the United States expanded on this theme in a July joint working paper, in which they asserted that their nuclear weapons only “serve defensive purposes, deter aggression and prevent war.”

Not surprisingly, Russian officials claimed Putin’s nuclear warnings also serve “defensive” purposes, and are simply designed intended to deter Western interference.

However, from a legal perspective, the International Court of Justice unanimously determined in its 1996 advisory opinion that a threat to engage in nuclear weapons use, particularly under the circumstances suggested by Putin, stands contrary to international humanitarian law, and that the threat to use nuclear weapons violates the UN Charter.

Putin’s threats also clearly violate the 1973 bilateral Agreement on the Prevention of Nuclear War, which pledged the United States and the Soviet Union to “refrain from the threat or use of force against the other Party, against the allies of the other Party and against other countries, in circumstances which may endanger international peace and security.”

Importantly, the 2017 Treaty on the Prohibition of Nuclear Weapons (TPNW), which entered into force in 2021 and has the support of some 130 states, prohibits not only the possession, development, testing, transfer, and use of nuclear weapons, but also threats of use.

Efforts to Reinforce the Nuclear Taboo in 2022

In contrast to the caveated criticism from Washington, London, and Paris in the first half of 2022, many leaders from non-nuclear-weapon states recognized that Putin’s brazen nuclear threats made in the context of a war against a non-nuclear weapon state required them to speak with greater clarity to avert a nuclear catastrophe. And they did.

In June 2022, the then 65 TPNW states-parties issued a political statement noting that “any use or threat of use of nuclear weapons is a violation of international law, including the Charter of the United Nations,” and condemning “unequivocally any and all nuclear threats, whether they be explicit or implicit and irrespective of the circumstances.”

At the nuclear Nonproliferation Treaty (NPT) review conference in August, a group of 147 non-nuclear-weapon states declared the use of nuclear weapons unacceptable “under any circumstances.”

Nevertheless, on Sept. 21, as Russian forces were in retreat in eastern Ukraine, Putin suggested he might order the use of shorter-range nuclear weapons “if the territorial integrity of our country is threatened,” including the territory in Ukraine that Russia had illegally seized. "This is not a bluff," he added.

In this context, Putin's threats implied that, if he believes there is an attack on Russian territory or on Ukrainian territory illegally claimed by Russia, he might order the use of tactical nuclear weapons to decimate Ukraine's defense forces or its cities, demonstrate Russian resolve, and attempt to force Ukraine and its allies to surrender.

Subsequently, press reports revealed that, according to U.S. intelligence agencies, senior Russian military officials discussed when and how Moscow might use a tactical nuclear weapon in Ukraine.

Putin’s September threat clearly veered away from Russia’s official nuclear doctrine, which reserves the option to use nuclear weapons in response to an attack with weapons of mass destruction or if a conventional war threatens the “very existence of the state.”

In response to Putin’s stronger nuclear threat rhetoric, key leaders and nuclear experts began to speak out in starker and more direct terms. And for good reason.

In an interview with CBS News’s “60 Minutes” that aired Sept. 16, Biden was asked what he would tell Putin if the Russian leader is considering using nuclear weapons in the conflict against Ukraine. “Don’t. Don’t. Don’t,” Biden said. “You will change the face of war unlike anything since World War II.” He wisely declined to detail how the United States would respond to Russian nuclear weapon use in Ukraine, saying only that the reaction would be “consequential” and would depend “on the extent of what they do.”

As I said in a report by The Washington Post on Sept. 22: “What everyone needs to recognize is that this is one of, if not the most, severe episodes in which nuclear weapons might be used in decades. The consequences of even a so-called ‘limited nuclear war’ would be absolutely catastrophic.”

A few days later, White House National Security Advisor Jake Sullivan disclosed that the United States has warned Russia of "catastrophic consequences" if Russia uses nuclear weapons.

NATO Secretary-General Jens Stoltenberg also weighed in. Borrowing from the terminology used by the non-nuclear-weapon states in their June and August statements. “Any use of nuclear weapons is absolutely unacceptable,” he said on Sept. 27.

President Joe Biden said Oct. 6 that the “prospect of Armageddon'' the highest since the 1962 Cuban Missile Crisis.

German Chancellor Olaf Scholz declared Oct. 8, “We need to give a clear answer to nuclear threats. They’re dangerous for the world, and the use of nuclear weapons is unacceptable.” Perhaps more importantly, leaders who previously remained silent about Putin’s nuclear threats finally spoke up. Chinese President Xi Jinping said Nov. 4 that the international community should “jointly oppose the use of, or threats to use, nuclear weapons.”

Then, the powerful Group of 20 (G-20) nations issued Nov. 16 a statement at their summit declaring that the use of nuclear weapons and threats of use are “inadmissible.” The strong G-20 language – endorsed by its members, including Brazil, India, Indonesia, Japan, Mexico, Saudi Arabia, South Africa, South Korea, and Turkey – was due in large part to the efforts of the host nation, Indonesia, a TPNW supporter.

By the end of 2022, Putin appeared to back off his threats of nuclear weapon use. “We see no need” to use nuclear weapons in Ukraine, he said in October. “There is no point in that, neither political nor military.”

This rhetorical retreat was no accident. Undoubtedly, Putin’s advisers – as well as U.S. and NATO leaders – reminded the Russian president that there is no military value in using nuclear weapons against Ukrainian targets. Instead of ending the war, such an atrocity would almost certainly draw NATO into the conflict, bringing about Russia’s defeat and Putin’s own downfall.

German Foreign Minister Annalena Baerbock said in a Feb. 11, 2023 interview with Tagasspiegel that she saw a link between G-20 statement on about on nuclear threats being "inadmissible" and reduced Russian nuclear rhetoric since November 2022. Global norms do have an impact on the nuclear policies of autocratic states after all.

Reinforcing the Nuclear Taboo in 2023

On the one-year anniversary of the start of the Russian invasion, the UN the European Union will advance a resolution at a high-level emergency session of the UN General Assembly calling for a cessation of hostilities and a peace that ensures Ukraine’s “sovereignty, independence, unity and territorial integrity.”

Such efforts are crucial even if they do not yield immediate results. The UN charter calls for peaceful settlement of disputes and declares that all countries shall refrain “from the threat or use of force against the territorial integrity or political independence of any state.”

But as Russia continues to try to find a way to "win" its war on Ukraine and as the Ukrainian people continue to valiantly resist, the fighting and bloodshed and the danger of escalation will continue. Although the threat of nuclear weapons use by Russia may have receded since the fall of 2022, it has not gone away.

Over the course of the war, key leaders and millions of people around the globe have become more aware of the grim realities of nuclear weapons: even "limited" nuclear use likely would trigger nuclear escalation with global consequences and millions of deaths, nuclear weapon use is immoral and illegal, and nuclear deterrence is unsustainable and ultimately unacceptable.

The Russian invasion of Ukraine has also demonstrated the limitations of nuclear weapons in actual war. U.S. and NATO nuclear weapons have done nothing to help prevent Russian aggression against Ukraine. Instead, Ukraine’s allies have responded with military, political, humanitarian, economic, and diplomatic means to assist with Ukraine’s defense and thwart the aggressor.

Although greater awareness of the dangers of nuclear weapons is very important, it does not, by itself, solve the problem.

Russia might still use a nuclear weapon before the fighting in Ukraine ends. If this spring's anticipated military offensive-counteroffensives produces another shambolic retreat by Russian forces and Putin fears a humiliating loss of territory and military capacity, he may once again try to resort to nuclear threats or even decide to use nuclear weapons in a desperate, last-ditch attempt to turn the tide.

There are other pathways to escalation. Although U.S. and NATO leaders have made it clear that they do not intend for their military forces to become directly involved in the conflict, the risk of escalation remains very real. A close encounter between NATO and Russian warplanes or an attack by Russia on NATO territory or supply lines, or vice versa, could become a flashpoint for a wider conflict.

The world will remain in a condition of heightened nuclear danger for some time to come.

Given the stakes, civil society and the international community must pursue options to lower tension, increase dialogue, and sustain pressure against those who might break the nuclear taboo. Key objectives include:

Reiterating condemnations of nuclear weapons use: civil society and governments of all stripes need to continue to state unequivocally that nuclear weapons use, or any threat to use nuclear weapons, at any time and under any circumstances, is extremely dangerous and totally unacceptable. Key leaders need to reiterate this message in bilateral meetings, multilateral summits, votes on UN resolutions, and other venues, such as the G-7 Summit in Hiroshima in May and the nuclear Nonproliferation Treaty Preparatory Committee meeting in August. Nuclear war in Ukraine, or anywhere, would affect all people and this risk demands an effective and sustained global response.

Re-establish a regular, high-level U.S.-Russian risk reduction dialogue: Over the long, dangerous course of the nuclear age, the easing of tensions and resolution of crises between the nuclear-armed states has relied not only on good luck and self-restraint, but also effective, leader-to-leader dialogue.

In June 2022, Biden declared that even as he seeks to “rally the world to hold Russia accountable for its brutal and unprovoked war on Ukraine, we must engage Russia on issues of strategic stability.”

While communications bilateral hotlines and U.S. and Russian nuclear risk reduction centers remain in place, they must be used and used effectively. Unfortunately, many diplomatic channels for dialogue between Washington and Moscow on arms control have been suspended since February 2022.

Senior U.S., NATO, and Russian military and political leaders should commit to using direct lines of communication, seek to resume the U.S.-Russian strategic stability dialogue and/or talks on follow-on agreements to the 2010 New Strategic Arms Reduction Treaty (New START), and refrain from provocative actions, such as moving tactical nuclear weapons from storage and toward operational deployment.

Washington and Moscow could consider updating and implementing the aforementioned 1973 U.S.-Soviet agreement requiring the two countries to refrain from nuclear threats and, in times of increased risk of nuclear conflict, “immediately enter into urgent consultations with each other and make every effort to avert this risk.”

Continue to calibrate U.S. and European military support to avoid escalation: The Biden administration has been careful, so far, to design its military aid packages and deliver more advanced weapons to help Ukraine defend itself in a way that does not trigger Russian attacks on U.S. or NATO forces or territory.

The strategy, however, isn't risk-free. If U.S. and European states begin to supply Ukraine with weapons that can strike deeper into Russian territory, into Russian-controlled Ukrainian territory of Crimea, or into Belarusian territory, such as advanced fighter aircraft or longer-range offensive missiles, and without strict controls on how Ukrainian forces can use these weapons, it may prompt a Russian response that leads to a broader European war.

Continue to refrain from making threats of nuclear retaliation: To date, Biden and leaders of NATO states have warned that Russian nuclear weapons use would certainly lead to catastrophic consequences and escalation but have stopped short of threatening nuclear retaliation. That is wise. Both sides understand that "a nuclear war cannot be won and must never be fought."

Threats of nuclear retaliation are not only unnecessary and counterproductive, but also would legitimate Putin's own threats and set red lines no one can afford to cross.

After all, even modern short-range nuclear weapons are devastating and indiscriminate killing machines. Most of the 450 air- and ground-based, short-range nuclear warheads in Russia's inventory have an explosive yield equivalent to about 10 kilotons of TNT. The bomb that destroyed Hiroshima produced a yield of some 15 kilotons and led to the deaths of an estimated more than 140,000 people within six months of the attack.

The use of nuclear weapons by Russia in Ukraine would also blow apart what support Putin still has from China’s Xi Jinping and India’s Narendra Modi, unleash international wrath, trigger even more dissension to Putin’s rule within Russia, and possibly lead to exactly what he wishes to avoid: direct U.S. or NATO intervention on the side of Ukraine.

Prepare a strong global diplomatic response to further threats of nuclear weapons use: If Russia or any state threatens, let alone uses nuclear weapons, UN member states should pursue a “uniting for peace” resolution to overcome the crippling gridlock in the UN Security Council and authorize effective, collective measures to restore the peace and hold Putin accountable under Chapter VII of the UN Charter. Such a measure would require nearly universal support and unprecedented cooperation from all UN member states to be effective.

________

The nuclear dimensions of the war on Ukraine underscore the fact that outdated nuclear deterrence policies create unacceptable risks. To eliminate the danger, we must actively reinforce the legal prohibitions and norms against nuclear weapons use and threats of use – as well as their development, testing, possession, and proliferation – and press for effective disarmament diplomacy that leads to concrete action that puts us on the path toward the complete, irreversible, and verifiable elimination of all nuclear weapons.

Such efforts require sustained, smart, and united efforts from the United States, other nuclear-armed states, states allied with nuclear-armed states, as well as the non-nuclear weapon state majority. Our common survival depends on it.—DARYL G. KIMBALL, executive director

 

*This Issue Brief was originally written for the the University of Pennsylvannia Center for Ethics and the Rule of Law (CERL) blog where it is being cross-posted.

 

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The nuclear dimensions of the war on Ukraine underscore the fact that outdated nuclear deterrence policies create unacceptable risks. To eliminate the danger, we must actively reinforce the legal prohibitions and norms against nuclear weapons use and press for effective disarmament diplomacy.

Putin’s Reckless Decision to "Suspend" New START Will Increase Chances of Global Nuclear Arms Race

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Statement from Daryl G. Kimball, Executive Director

For Immediate Release: Feb. 21, 2023 (Updated)

Media Contacts: Daryl G. Kimball, executive director, (202) 463-8270 ext. 107; Shannon Bugos, senior policy analyst, (202) 463-8270 ext. 113

In a rambling attempt to justify Russia's illegal invasion of Ukraine one year ago, Russian President Vladimir Putin announced his decision to suspend implementation of the last remaining treaty limiting the world's two largest nuclear arsenals, the 2010 New Strategic Arms Reduction Treaty (New START).

His comments suggest Russia will not engage in talks to resume New START’s on-site inspections, participate in meetings of the treaty's Bilateral Consultative Commission, nor share data on strategic nuclear stockpiles as required by the treaty. These actions represent a major violation of the terms of New START and are not allowed for under the terms of the treaty. Other senior Russian officials have previously said Russia will maintain under the central limits set by the treaty (1,550 deployed strategic warheads and 700 deployed strategic delivery vehicles). In a separate statement issued today, the Russian Ministry of Foreign Affairs reaffirmed that Russia will continue to observe limits on the number of strategic nuclear warheads and delivery systems it can deploy under the treaty.

While this does not mark the end of New START, which is scheduled to expire Feb. 5, 2026, Putin’s announcement makes it far more likely that, after New START expires, there will be no agreement limiting U.S. and Russian strategic nuclear arsenals for the first time since 1972.

Putin’s “suspension” of New START harms Russia’s own security interests. Absent full implementation of treaty provisions, Moscow (and Washington) gains less insight and information regarding the U.S. strategic nuclear arsenal.

In addition, the suspension undermines Russia’s obligations as a party to the 1968 nuclear Nonproliferation Treaty (NPT), which requires the nuclear-weapon states to "pursue negotiations in good faith on effective measures relating to cessation of the nuclear arms race at an early date and to nuclear disarmament…."

In contrast, U.S. President Joe Biden has made it clear that his administration stands ready to expeditiously negotiate a new nuclear arms control framework with Russia to supersede New START–but that Russia must first work in good faith to resume New START inspections. This is a more than reasonable request.

If New START expires in 2026 with no successor arrangement, Washington and Moscow could each double the number of their deployed strategic nuclear warheads in short order. Such a course of action would produce an arms race that no one can win and that increases the dangers of nuclear weapons for everyone.

We strongly support the Biden administration's announcement today that the United States "remains ready to talk about strategic arms limitations at any time with Russia irrespective of anything else going on in the world or in our relationship."

We reiterate our call upon Russia to comply with its obligations to allow for on-site inspections to verify compliance with New START and to engage in further nuclear disarmament diplomacy with the United States.

We also urge all states-parties to the NPT, no matter their position on Russia's war on Ukraine, to urge the Kremlin to meet its nuclear disarmament responsibilities by complying with New START and by agreeing to negotiate new–and ideally lower–limits on the world’s two largest nuclear arsenals, as doing so would enhance global security and support the long-term viability of the NPT system.

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Putin’s announcement makes it far more likely that, after New START expires, there will be no agreement limiting U.S. and Russian strategic nuclear arsenals for the first time since 1972.

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