The Biden administration has lifted a de facto ban on American military contractors deploying to Ukraine to help the country’s military maintain and repair US-provided weapons systems, particularly F16 fighter jets and Patriot air defense systems,

For now, Biden’s final aid package gives Ukraine a chance to bolster its defenses. However, with Trump set to take office, Kyiv’s long-term security remains deeply uncertain, leaving its future heavily dependent on the policy decisions of the incoming US administration.