US and European military planners are assessing possible post-conflict security guarantees for Ukraine, sources told Reuters, following President Donald Trump’s pledge to support Kyiv under any peace deal with Russia.

The Pentagon is conducting planning exercises on US support beyond weapons, including potential European troop deployments under national flags but commanded by the US, though not under NATO. Officials caution it will take time to determine what is militarily feasible and acceptable to Moscow.

Trump ruled out sending US ground forces but suggested Washington could provide air support, including air defense systems or a no-fly zone.US has already sent billions in weapons to Ukraine, and Trump reaffirmed his commitment to supplying primarily defensive arms, Reuters reported.

Russia has rejected NATO troop involvement in any peace agreement.