Donald Trump is considering withdrawing the US from NATO after European allies refused to support military actions against Iran.Trump labeled the alliance a "paper tiger" as France and Spain restricted access to their airspace during the conflict over the Strait of Hormuz.While Italy blocked access to military bases Britain allowed the use of its facilities only for defensive operations rather than offensive strikes.Keir Starmer defended the security alliance while the US president criticized British naval power and questioned the condition of its aircraft carriers.