"What does Russia mean aimed against us? The missle shield isn't aimed at anyone, it is for defense. If I were poland I would be asking Russia why they don't want Poland to have a defense against missles."
They may be thinking in terms of a first strike capability- that if we can defend against their return fire then we could safely launch a first strike.
They may be thinking in terms of a first strike capability- that if we can defend against their return fire then we could safely launch a first strike.==
Exactly.