The mutual-defense alliance has been central to Ukraine’s war against Russia, but the future is uncertain with President Trump back in office.

Ukrainian President Volodymyr Zelensky said Friday the U.S. did not want Ukraine to join NATO even before the Trump administration began changing the country’s approach toward the

"Right now, that is still on the table," said John Coale, President Donald Trump's deputy Ukraine envoy, when asked whether the U.S. had ruled out possible NATO membership for Ukraine. Speaking in an interview with Reuters in Munich,