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Reducing nuclear weapons risks through innovation, inclusion, and dialogue using open source data.

22/10/2026

❓𝗪𝗶𝗹𝗹 𝘁𝗵𝗲 𝗥𝘂𝘀𝘀𝗶𝗮𝗻 𝗴𝗼𝘃𝗲𝗿𝗻𝗺𝗲𝗻𝘁 𝗼𝗳𝗳𝗶𝗰𝗶𝗮𝗹𝗹𝘆 𝗮𝘀𝘀𝗲𝗿𝘁 𝘁𝗵𝗮𝘁 𝗡𝗔𝗧𝗢 𝗶𝘀 𝗶𝗺𝗽𝗼𝘀𝗶𝗻𝗴 𝗮 𝗯𝗹𝗼𝗰𝗸𝗮𝗱𝗲 𝗼𝗻 𝗞𝗮𝗹𝗶𝗻𝗶𝗻𝗴𝗿𝗮𝗱 𝗯𝘆 𝟯𝟭 𝗝𝗮𝗻𝘂𝗮𝗿𝘆 𝟮𝟬𝟮𝟳?

In September, Moscow issued a warning over a potential NATO blockade of Kaliningrad, raising concerns about escalation in the Baltic region. With tensions surrounding Kaliningrad and its access routes, could Russia move from warning about a hypothetical blockade to formally claiming that one is already in effect?

🗳️ 𝗦𝘂𝗯𝗺𝗶𝘁 𝘆𝗼𝘂𝗿 𝗳𝗼𝗿𝗲𝗰𝗮𝘀𝘁 𝗵𝗲𝗿𝗲: https://opennuclearnetwork.confido.tools/join/f3aa79e2b5d2f0c3c255dc6349f7a51a

📅 𝗙𝗼𝗿𝗲𝗰𝗮𝘀𝘁 𝘀𝘂𝗯𝗺𝗶𝘀𝘀𝗶𝗼𝗻 𝗱𝗲𝗮𝗱𝗹𝗶𝗻𝗲: 31 January 2027, 23:59 CET

21/10/2026

🛰️ 𝗪𝗵𝗮𝘁 𝗰𝗮𝗻 𝘀𝗮𝘁𝗲𝗹𝗹𝗶𝘁𝗲 𝗶𝗺𝗮𝗴𝗲𝗿𝘆 𝘁𝗲𝗹𝗹 𝘂𝘀 𝗮𝗯𝗼𝘂𝘁 𝗻𝘂𝗰𝗹𝗲𝗮𝗿 𝘀𝗮𝗳𝗲𝘁𝘆 𝗶𝗻 𝗡𝗼𝗿𝘁𝗵 𝗞𝗼𝗿𝗲𝗮?

According to Nikita Degtyarev, satellite imagery provides one of the most consistent current views of activity at nuclear sites - including construction, site expansion, and visible waste management.

But it also has clear limits: it cannot show what is happening inside buildings or whether critical safety systems are functioning properly.

▶️ Watch the full Open Nuclear Network webinar, “Hidden Nuclear Risks: Understanding Nuclear Safety and Environmental Risks in North Korea,” on our YouTube channel.

📖 Read the report: https://opennuclear.org/en/open-nuclear-network/publication/nuclear-safety-under-strain

21/10/2026

📢 We are pleased to welcome Patrick Ertelt to Open Nuclear Network as a Visiting Fellow.

Patrick focuses on researching radiological disinformation through open-source analysis, examining how claims about radiological threats emerge, spread and can be verified or pre-emptively countered. He brings previous experience from the James Martin Center for Nonproliferation Studies (CNS), the UN Department of Peace Operations, the German Federal Foreign Office and the United Nations Office for Disarmament Affairs (UNODA) at Vienna.

We are excited to have him on board and look forward to his contributions to ONN's mission.

🔗 Find out more about Patrick: https://opennuclear.org/en/staff/patrick-ertelt

19/10/2026

🚨 𝗡𝗲𝘄 𝗢𝗡𝗡 𝗦𝗽𝗲𝗰𝗶𝗮𝗹 𝗠𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴 𝗥𝗲𝗽𝗼𝗿𝘁 | 𝗣𝘆𝗼𝗻𝗴𝘆𝗮𝗻𝗴'𝘀 𝗟𝗮𝗿𝗴𝗲 𝗛𝘆𝗽𝗲𝗿𝘀𝗼𝗻𝗶𝗰 𝗠𝗶𝘀𝘀𝗶𝗹𝗲𝘀: 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁, 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗮𝗻𝗱 𝗢𝗽𝗲𝗿𝗮𝘁𝗶𝗼𝗻𝗮𝗹 𝗦𝘁𝗮𝘁𝘂𝘀

North Korea’s 3 October 2026 missile launch marked the first reported operational firing of its conical-shaped hypersonic glide vehicle (HGV), the Hwasong-16Ga, raising important questions about its capabilities and implications for regional security.

In our latest Special Monitoring Report, ONN Senior Analyst Tianran Xu examines Pyongyang’s two large hypersonic missile systems, the Hwasong-16Ga and Hwasong-16Na, drawing on seven flight tests since 2021.

🔎 The analysis compares their development and demonstrated performance, examines discrepancies between North Korean claims and Japanese and South Korean flight assessments, and assesses the challenges these systems pose to regional missile defence.

The report offers additional insights into North Korea’s evolving missile capabilities, contributing to a better understanding of their potential implications for regional security and nuclear risk.

🔗 Read the full report: https://opennuclear.org/en/open-nuclear-network/publication/pyongyangs-large-hypersonic-missiles

15/10/2026

𝗖𝗮𝗻 𝗰𝗹𝗶𝗺𝗮𝘁𝗲 𝗰𝗵𝗮𝗻𝗴𝗲 𝘀𝘁𝗿𝗮𝗶𝗻 𝗻𝘂𝗰𝗹𝗲𝗮𝗿 𝘀𝗮𝗳𝗲𝘁𝘆 𝘀𝘆𝘀𝘁𝗲𝗺𝘀 𝗶𝗻 𝗡𝗼𝗿𝘁𝗵 𝗞𝗼𝗿𝗲𝗮?

According to Elin Bergner, climate change is unlikely to create an entirely separate nuclear accident scenario, but it can put additional pressure on systems that are already important for safe operations.

More frequent or severe flooding and extreme weather can add strain to infrastructure, emergency response, and other safety-critical systems.

▶️ Watch the full Open Nuclear Network webinar, “Hidden Nuclear Risks: Understanding Nuclear Safety and Environmental Risks in North Korea,” on our YouTube channel.

📖 Read the report: https://opennuclear.org/en/open-nuclear-network/publication/nuclear-safety-under-strain

13/10/2026

💡 How can risk-reduction measures help manage escalation in an increasingly complex security and information environment?

On 1 October in Berlin, ONN Research Analyst Ksenija Trajkovska and Research Manager Sarah Laderman took part in the second session of “Technological Complexity and Risk Reduction," a workshop hosted by the European Leadership Network (ELN) and Adarga.

The session brought together experts to explore nuclear decision-making and the role of risk-reduction measures, using the ELN-Adarga Nuclear Risk Reduction Support Tool (NURIST).

ONN's participation reflects a core part of our mission: strengthening our collective ability to anticipate and respond to emerging nuclear risks and engaging the next generation in the future of arms control and risk reduction.

🔗 Read more: https://opennuclear.org/en/open-nuclear-network/news/onn-experts-explore-nuclear-risk-reduction-and-decision-making-eln

12/10/2026

From 21–25 September, ONN Assistant Analyst and Coordinator Benjamin Ashraf attended the Vienna Center for Disarmament and Non-Proliferation (VCDNP) short course on nuclear non-proliferation and disarmament for diplomats and practitioners in Vienna, earning a certificate of participation.

The course covered topics ranging from the nuclear fuel cycle to IAEA safeguards and included a visit to the United Nations Headquarters in Vienna, where he also saw the CTBT’s International Monitoring System at work.

🤝 Benjamin’s participation provided an opportunity to strengthen technical expertise and engage with the international non-proliferation community, supporting ONN’s mission to reduce nuclear risks through informed analysis and international engagement.

🔗 Read more: https://opennuclear.org/en/open-nuclear-network/news/onn-vcdnp-short-course-nuclear-non-proliferation-and-disarmament

08/10/2026

💡 How can civil society turn research and analysis into action to reduce nuclear risks?

On 21 September, ONN Network and Engagement Specialist Kseniia Pirnavskaia shared ONN’s approach to nuclear risk reduction with the next generation of policymakers and practitioners at the EST Academy 2026.

Drawing on ONN's Project Loop, Kseniia explored how open-source research, expert analysis and forecasting can be translated into actionable insights and targeted engagement that help decision-makers anticipate and address emerging nuclear risks.

🤝 By sharing ONN’s methodology and practical examples of impact, the session contributed to an important part of our mission: strengthening the capacity of the next generation to connect evidence with policy action and contribute to nuclear risk reduction.

🔗 Read more: https://opennuclear.org/en/open-nuclear-network/news/kseniia-pirnavskaia-shares-onns-approach-nuclear-risk-reduction-est

06/10/2026

𝗪𝗵𝗼 𝗰𝗼𝘂𝗹𝗱 𝗯𝗲 𝗮𝗳𝗳𝗲𝗰𝘁𝗲𝗱 𝗯𝘆 𝗻𝘂𝗰𝗹𝗲𝗮𝗿 𝘀𝗮𝗳𝗲𝘁𝘆 𝗳𝗮𝗶𝗹𝘂𝗿𝗲𝘀 𝗶𝗻 𝗡𝗼𝗿𝘁𝗵 𝗞𝗼𝗿𝗲𝗮?

According to Jaewoo Shin, the consequences would be felt first and foremost by people and the environment closest to nuclear facilities. Workers could be among the first exposed, while nearby communities could face risks through contaminated water, soil, or air.

These risks may receive less attention than nuclear weapons or proliferation, but they can still have serious and lasting consequences.

▶️ Watch the full webinar, “𝗛𝗶𝗱𝗱𝗲𝗻 𝗡𝘂𝗰𝗹𝗲𝗮𝗿 𝗥𝗶𝘀𝗸𝘀: 𝗨𝗻𝗱𝗲𝗿𝘀𝘁𝗮𝗻𝗱𝗶𝗻𝗴 𝗡𝘂𝗰𝗹𝗲𝗮𝗿 𝗦𝗮𝗳𝗲𝘁𝘆 𝗮𝗻𝗱 𝗘𝗻𝘃𝗶𝗿𝗼𝗻𝗺𝗲𝗻𝘁𝗮𝗹 𝗥𝗶𝘀𝗸𝘀 𝗶𝗻 𝗡𝗼𝗿𝘁𝗵 𝗞𝗼𝗿𝗲𝗮”, on our YouTube channel.

📖 Read the report: https://opennuclear.org/en/open-nuclear-network/publication/nuclear-safety-under-strain

05/10/2026

How can the next generation contribute to reducing nuclear risks in an increasingly complex security and information environment?

At the 2026 European Student/Young Pugwash Conference in Pisa, Italy, ONN Network and Engagement Specialist Kseniia Pirnavskaia and ONN Intern Yuqin Wang contributed to discussions connecting nuclear risk reduction with intergenerational dialogue, emerging technologies and the evolving information environment.

🤝 Kseniia chaired a discussion bringing together experts and young professionals to examine the future of non-proliferation, arms control and disarmament, while Yuqin presented her research on how AI-generated and manipulated visuals can fuel misperception during nuclear crises and introduced the AMAR framework for strengthening preparedness and response.

💡 Their participation reflects two important dimensions of ONN’s mission: equipping the next generation to engage critically with nuclear challenges and strengthening our ability to anticipate and respond to emerging risks.

🔗 Read more: https://opennuclear.org/en/open-nuclear-network/news/onn-european-studentyoung-pugwash-conference-pisa-italy

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