In the windswept gardens of a Danish chateau, President Volodymyr Zelenskyy and some of Ukraine’s main European backers weighed options on Thursday for filling the gap after the Trump administration paused weapons shipments to his country.

It's a clear message to step up our own support, ramping up our European defense capacities, not only at the level of the European Union, but at the continental level,' von der Leyen told a press conference in Aarhus,

Analysts say Ukraine’s European allies can fill some of the gaps and provide artillery systems. But they don’t possess alternatives to the U.S.-made HIMARS missiles and air defense systems, especially Patriots, which are crucial to help defend Ukrainian cities.