Andrzej Duda pointed to Russia's own actions in moving nuclear weapons to Belarus as justification for Poland's request.

Polish President Andrzej Duda has called on the U.S. to move some of its nuclear arsenal to Polish territory to deter potential future Russian aggression. Why it matters: The move would likely anger Moscow,

"The borders of NATO moved east in 1999, so 26 years later there should also be a shift of the NATO infrastructure east. For me, this is obvious," Polish President Andrzej Duda said.