The US responded to the proposal to shoot down Russian missiles from Polish territory, emphasizing that escalation would not be beneficial for Ukraine, Poland, or anyone else.
White House national security spokesman John Kirby stated that while they want to support Ukraine effectively, they do not want to escalate the conflict, and it is up to the Polish government to determine and comment on its self-defense procedures.
https://polskieradio24.pl/artykul/3401471,zestrzeliwanie-rosyjskich-rakiet-z-polski-waszyngton-zabral-glos