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Chairman of the Joint Chiefs of Staff Gen. Dan Caine is hosting his military counterparts from Germany, the U.K., France, Finland and Italy in Washington, D.C., on Tuesday evening, to discuss potential security guarantees for Ukraine to prevent Russian aggression, U.S. officials confirm to Fox News.
The high-level talks come on the eve of a NATO Chiefs of Defense meeting, where all 32 allied military leaders are invited to convene virtually on Wednesday to coordinate next steps. The session will be hosted in Brussels by the chair of NATO’s Military Committee, officials said.
The urgent discussions follow President Donald Trump’s comments on “Fox & Friends” earlier Tuesday, in which he suggested the U.S. could provide air support to Ukraine as part of a security guarantee, a day after Ukrainian President Volodymyr Zelenskyy and European leaders visited the White House to push for peace talks to end the Russian war in Ukraine.
According to a U.S. defense official, Caine is leading Tuesday night’s session in Washington with senior defense leaders from those five key NATO allies.
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President Donald Trump, center; Ukrainian President Volodymyr Zelenskyy, center-left; and other European leaders at the White House on Monday for negotiations to end the Russian war in Ukraine. (Alexander Drago/Reuters)
Gen. Alexus Grynkewich, commander of U.S. European Command and Supreme Allied Commander Europe (SACEUR), will also attend virtually from Washington, a U.S. military official said.
The defense official added that the current agenda is limited to Tuesday night’s talks and the NATO Chiefs of Defense meeting on Wednesday but stressed the situation is “rapidly evolving,” leaving open the possibility of additional sessions if conditions change.
Wednesday’s NATO meeting will include U.S. participation virtually, with Caine joining alongside his counterparts, while the Military Committee chair leads from Brussels. The broader alliance discussions are expected to build on Tuesday’s smaller Washington gathering among core European allies.
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Fox News confirmed Gen. Dan Caine, chairman of the Joint Chiefs of Staff, will host European military counterparts to discuss Ukrainian security guarantees. (Chip Somodevilla/Getty Images)
Wednesday’s NATO session will be chaired from Brussels by the head of NATO’s Military Committee, who will lead discussions on collective security commitments for Ukraine.
The back-to-back meetings mark a critical moment for the alliance as NATO weighs how far to go in offering Kyiv credible security guarantees while seeking to avoid direct escalation with Russia. The Chiefs of Defense meeting is expected to help shape how NATO responds both to developments on the battlefield and to Trump’s public statements on future U.S. support.
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A NATO military soldier stands guard ahead of the two-day NATO summit at the World Forum in The Hague, June 22, 2025. On Tuesday, U.S. and European military counterparts will discuss Ukrainian security guarantees. (Remko de Waal/ANP/AFP via Getty Images)
Allies are expected to consider both battlefield realities and the impact of Trump’s remarks as they debate how best to demonstrate unity on Ukraine.
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The White House did not immediately respond to Fox News Digital’s request for comment.