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Institute for the Study of War @thestudyofwar.bsky.social · 3h

NEW: The Russian Ministry of Defense (MoD) continues attempts to falsely assert control over settlements in the Lyman direction that Ukrainian forces liberated during Operation Vivaldi. (1/10) Read more: isw.pub/UkrWar092926

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Institute for the Study of War @thestudyofwar.bsky.social · 5h

NEW: Houthi and Yemeni government-aligned forces have reportedly ordered general mobilizations to reinforce frontlines across Yemen, which may signal long-term Houthi intent to continue advances in Taiz Governorate and along the Red Sea coast. (1/4) Read more: isw.pub/IranUpdate09...

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Institute for the Study of War @thestudyofwar.bsky.social · 8h

NEW: People’s Republic of China (PRC) Vice President Han Zheng promoted Xi Jinping's Global Governance, Development, Civilization, and Security initiatives during the PRC's 81st UN General Assembly (UNGA) address on September 26. (1/6) Read the full report: isw.pub/ChinaTaiwanU...

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Reposted by Institute for the Study of War

Institute for the Study of War @thestudyofwar.bsky.social · 29/09/2026

NEW: Ukraine’s 3rd Army Corps publicized details on the third phase of Operation Vivaldi in the Lyman direction. (1/9) Read the full report: isw.pub/UkrWar092826

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Reposted by Institute for the Study of War

Institute for the Study of War @thestudyofwar.bsky.social · 29/09/2026

NEW: Saudi and Yemeni government-aligned forces may be targeting senior Houthi and Iranian Islamic Revolutionary Guards Corps (IRGC) missile and drone experts and military commanders. (1/10) Read the full report: isw.pub/IranUpdate09...

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Institute for the Study of War @thestudyofwar.bsky.social · 29/09/2026

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Institute for the Study of War @thestudyofwar.bsky.social · 29/09/2026

NEW: Ukraine’s 3rd Army Corps publicized details on the third phase of Operation Vivaldi in the Lyman direction. (1/9) Read the full report: isw.pub/UkrWar092826

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Institute for the Study of War @thestudyofwar.bsky.social · 28/09/2026

NEW: A Kremlin-affiliated milblogger is embracing Putin’s new theory of victory that relies on expansive long-range combined ballistic missile and jet-powered drone strikes against Ukraine to force Ukraine to capitulate over Winter 2026-2027. (1/8) Read more: isw.pub/UkrWar092726

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Institute for the Study of War @thestudyofwar.bsky.social · 27/09/2026

1/ Saudi and Yemeni government-aligned forces targeted Houthi forces positioned east of Taiz City on September 27, likely to disrupt the Houthis’ ability to sustain operations east of the city. Read the full report: isw.pub/IranUpdate09...

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Institute for the Study of War @thestudyofwar.bsky.social · 27/09/2026

NEW: Ukrainian forces appear to be shifting their counteroffensive tactics toward systematically targeting Russian efforts to reinforce initial Russian infiltrations rather than focusing on clearing the infiltrators immediately in various sectors of the frontline Read more: isw.pub/UkrWar092626

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Institute for the Study of War @thestudyofwar.bsky.social · 26/09/2026

NEW: Houthi and Yemeni government-aligned forces continue to fight over contested high ground overlooking Houthi positions and ground lines of communication (GLOC) near the Bab al Mandeb Strait. (1/6) Read more: isw.pub/IranUpdate09...

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Institute for the Study of War @thestudyofwar.bsky.social · 26/09/2026

Russian Offensive Campaign Assessment, September 25, 2026: Ukrainian President Volodymyr Zelensky stated on September 25 that US President Donald Trump has made a “final decision” to grant Ukraine licenses to produce unspecified types of Patriot air defense systems interceptor missiles.

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Institute for the Study of War @thestudyofwar.bsky.social · 25/09/2026

NEW: Saudi Grand Mufti Saleh al Fawzan issued a statement on September 24 urging Yemeni government-aligned forces and Saudi soldiers stationed on the Saudi-Yemen border to protect Saudi territory and defeat the Houthis. Read the full report: isw.pub/IranUpdate09...

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Institute for the Study of War @thestudyofwar.bsky.social · 25/09/2026

NEW: US President Donald Trump and Chinese Communist Party (CCP) General Secretary Xi Jinping held a summit in Washington, DC, from September 22 to 24. (1/3) Read the full report: isw.pub/ChinaTaiwanU...

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Reposted by Institute for the Study of War

Institute for the Study of War @thestudyofwar.bsky.social · 24/09/2026

NEW: The Kremlin continues to categorically deny Russia’s role in creating a humanitarian crisis in occupied Oleshky, instead blaming the Ukrainian government to deflect from Russia’s international legal responsibility. Read the full update: isw.pub/OccupationUpdate092426

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Reposted by Institute for the Study of War

Institute for the Study of War @thestudyofwar.bsky.social · 25/09/2026

NEW: Yemeni government-aligned forces repelled a Houthi advance on September 23 that sought to sever the primary ground line of communication (GLOC) that connects Taiz City and Aden City. 🧵(1/6) Read more: isw.pub/IranUpdate09...

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Institute for the Study of War @thestudyofwar.bsky.social · 25/09/2026

NEW: Several recent incidents in Europe, including drone incursions and acts of sabotage, are likely attributable to Russia, as Western officials increasingly warn of intensified Russian kinetic activity against Europe in the near future. 🧵(1/8) Read more: isw.pub/UkrWar092426

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Reposted by Institute for the Study of War

Institute for the Study of War @thestudyofwar.bsky.social · 16/09/2026

The Kremlin is conducting a coordinated series of kinetic campaigns targeting Europe, and NATO states must understand and forthrightly discuss both these ongoing Russian campaigns against Europe and the evolving near-term Russian conventional threat.  Read the full report: isw.pub/RussianEurop...

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Institute for the Study of War @thestudyofwar.bsky.social · 25/09/2026

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Institute for the Study of War @thestudyofwar.bsky.social · 25/09/2026

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Institute for the Study of War @thestudyofwar.bsky.social · 24/09/2026

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Institute for the Study of War @thestudyofwar.bsky.social · 24/09/2026

Iran Update 092326: Iran’s deteriorating economy & difficulties exerting control of the strait may have contributed to its recent willingness to engage w/ the US. Iran’s renewed engagement w/ the US doesn't mean the regime softened its negotiating position. Read more: isw.pub/IranUpdate09... (1/5)

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Institute for the Study of War @thestudyofwar.bsky.social · 24/09/2026

Russian Offensive Campaign Assessment, Sept 23 2026: High-ranking Kremlin officials effectively rejected the US-Ukrainian-proposed limited energy ceasefire and continued reiterating Russia's unwillingness to engage in any meaningful peace negotiations. Read the report: isw.pub/UkrWar09232026 (1/5)

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Institute for the Study of War @thestudyofwar.bsky.social · 24/09/2026

MAP NOTICE: ISW is aware of intermittent issues affecting the loading, rendering, and performance of some of our ESRI StoryMaps and web maps. Some users may experience delays when accessing our public features. (1/2)

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Institute for the Study of War @thestudyofwar.bsky.social · 23/09/2026

We are now accepting Internship applications for Spring 2027! ISW is looking for motivated and critical thinkers to join our team of national security and intelligence experts. Apply: isw.pub/SpringInternships2027Bsky

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Institute for the Study of War @thestudyofwar.bsky.social · 23/09/2026

NEW: The Kremlin used the staged and manufactured 2026 State Duma elections in occupied Ukraine as a de facto referendum on Russian occupation, portraying participation in the election and support for United Russia as evidence of widespread acceptance of Russia’s illegal rule. (1/5)

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Institute for the Study of War @thestudyofwar.bsky.social · 23/09/2026

NEW: North Korean nuclear rhetoric is increasingly threatening escalation and retaliatory strikes if the United States crosses one of its “red lines.” (1/8) Read the full report: isw.pub/UkrWar092326

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Reposted by Institute for the Study of War

Institute for the Study of War @thestudyofwar.bsky.social · 23/09/2026

Iran Update 092226: The Houthis are trying to either secure control of Yemeni oil & gas resources or force Saudi Arabia to fund salaries of Houthi govt employees, either of which would solidify their political control in Yemen & weaken the Yemeni govt. Read the report: isw.pub/IranUpdate09... (1/7)

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Reposted by Institute for the Study of War

Institute for the Study of War @thestudyofwar.bsky.social · 23/09/2026

Russian Offensive Campaign Assessment, 092226: The RU MoD falsely claimed that RU forces have encircled Dobropillya — an intensification of the Kremlin’s cognitive warfare campaign alleging encirclements to falsely present UA defenses as collapsing. Read the report: isw.pub/UkrWar092226 (1/4)

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Institute for the Study of War @thestudyofwar.bsky.social · 23/09/2026

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Institute for the Study of War @thestudyofwar.bsky.social · 23/09/2026

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Institute for the Study of War @thestudyofwar.bsky.social · 22/09/2026

NEW: Japan may be considering transitioning from diesel-electric submarines to nuclear submarines, which would significantly enhance their operating range, speed, and stealth. (1/6) Read the full report: isw.pub/ChinaTaiwanU...

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Institute for the Study of War @thestudyofwar.bsky.social · 22/09/2026

NEW: US President Donald Trump reportedly decided to refrain from striking Houthi targets in Yemen “for the time being” on September 20. (1/9) Read the full report: isw.pub/IranUpdate09...

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Institute for the Study of War @thestudyofwar.bsky.social · 22/09/2026

NEW: Ukrainian President Volodymyr Zelensky emphasized Ukraine’s eagerness to establish an energy ceasefire with Russia and announced that he will meet US President Donald Trump on the sidelines of the UN General Assembly session. (1/6) Read the full report: isw.pub/UkrWar092126

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Reposted by Institute for the Study of War

Institute for the Study of War @thestudyofwar.bsky.social · 21/09/2026

1/ A full-scale Russian invasion of a NATO state is extremely unlikely while Russia remains fully committed to war against Ukraine. But full-scale invasion is not Putin's only option to conventionally escalate against a NATO state. Read the full scenario: isw.pub/NarvaScenari...

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Institute for the Study of War @thestudyofwar.bsky.social · 21/09/2026

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Reposted by Institute for the Study of War

Institute for the Study of War @thestudyofwar.bsky.social · 20/09/2026

NEW: The Russian MoD continues to greatly exaggerate the extent of advances across the frontline to construct a false narrative of battlefield progress. The unusual MoD statement comes amid State Duma elections and shortly before the convening of UNGA. 🧵(1/8) Read more: isw.pub/UkrWar091926

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Reposted by Institute for the Study of War

Institute for the Study of War @thestudyofwar.bsky.social · 21/09/2026

Russian Offensive Campaign Assessment 092026: Ukraine conducted its largest combined missile & drone strike package on strategic targets in Moscow Oblast on the night of Sept 19-20, ahead of the last day of voting in the Russian State Duma elections. Read the report: isw.pub/UkrWar092026 (1/5)

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Institute for the Study of War @thestudyofwar.bsky.social · 21/09/2026

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Institute for the Study of War @thestudyofwar.bsky.social · 20/09/2026

NEW | There are multiple indications that fighting between the US & Iran & its partners may expand imminently. ISW-CTP will continue to monitor the regional situation & provide updates as events warrant. Read ISW-CTP's latest analysis about the Houthi-Saudi conflict: understandingwar.org... (1/6)

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Institute for the Study of War @thestudyofwar.bsky.social · 20/09/2026

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Institute for the Study of War @thestudyofwar.bsky.social · 19/09/2026

NEW | Houthis struck Aramco fuel depots near Riyadh International Airport, marking the first Houthi attack on the Saudi capital during the current conflict. The attack is part of the Houthis' campaign to maximize economic and political costs on Saudi Arabia to force the kingdom to acquiesce. 🧵(1/5)

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Institute for the Study of War @thestudyofwar.bsky.social · 19/09/2026

NEW: The Kremlin continues to deny that Russia will conduct mobilization after its September 18-20 State Duma elections, likely in an effort to dissuade Russian citizens from fleeing abroad. (1/8) Read the full report: isw.pub/UkrWar091826

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Institute for the Study of War @thestudyofwar.bsky.social · 19/09/2026

NEW: The Houthis exploited a window of opportunity in July 2026 to resume their war with Saudi Arabia and secure concessions from Saudi Arabia that would alleviate the group’s dire economic situation. (1/7) Read the full report: isw.pub/IranUpdate09...

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Institute for the Study of War @thestudyofwar.bsky.social · 18/09/2026

NEW: People’s Republic of China (PRC) entities likely linked to the People’s Liberation Army (PLA) reportedly sold Iran satellite images of a US air base in Jordan that Iran later used to kill three US soldiers and injure another four. (1/8) Read the full report: isw.pub/ChinaTaiwanU...

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Institute for the Study of War @thestudyofwar.bsky.social · 17/09/2026

Interactive Map: The Kremlin is expanding its network of global media partnerships, state-run international journalism training initiatives, and building a global media recruitment pipeline. Explore the pillars of Russia's cognitive warfare infrastructure: isw.pub/CWInteractiv...

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Institute for the Study of War @thestudyofwar.bsky.social · 17/09/2026

NEW: Russian inaction and mismanagement have blockaded thousands of people in occupied Oleshky, Kherson Oblast and surrounding areas. (1/9) Read the full update: isw.pub/OccupationUp...

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Institute for the Study of War @thestudyofwar.bsky.social · 18/09/2026

NEW: Letting the Houthis consolidate control over the Red Sea coastal plain would enable the Houthis to assert illegal authority over international maritime traffic in the Bab al Mandeb Strait, which would be extremely detrimental to US interests. (1/9) Read the full report: isw.pub/IranUpdate09...

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Reposted by Institute for the Study of War

Institute for the Study of War @thestudyofwar.bsky.social · 18/09/2026

NEW: Ukraine’s Operation Vivaldi in the Lyman direction demonstrates Ukraine’s recent progress in restoring elements of tactical maneuver on the battlefield. (1/10) Read the full report: isw.pub/UkrWar091726

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Institute for the Study of War @thestudyofwar.bsky.social · 18/09/2026

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